Impurity Reference Standard - Products

Rosuvastatin

CAT No: CL-RST-01 CAS No: 287714-41-4 Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid

Rosuvastatin EP Impurity A

CAT No: CL-RST-02 CAS No: 1715120-13-0 Mol Wt: 539.6 Mol F: C25H34FN3O7S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-2-(2-hydroxy-N,2-dimethylpropylsulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid

Rosuvastatin EP Impurity B

CAT No: CL-RST-03 CAS No: 1007912-86-8 Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3RS,5RS,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid

Rosuvastatin EP Impurity C

CAT No: CL-RST-04 CAS No: 1422619-13-3 Mol Wt: 479.5 Mol F: C22H26FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoic acid

Rosuvastatin EP Impurity D

CAT No: CL-RST-05 CAS No: 503610-43-3 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-fluorophenyl)-5-[(1E)-2-[(2S,4R)-4-hydroxy-6-oxooxan-2-yl]ethen-1-yl]-6-(propan-2-yl)pyrimidin-2-yl]-N-methylmethanesulfonamide

Rosuvastatin EP Impurity E

CAT No: CL-RST-06 CAS No: 2226413-61-0 Mol Wt: 832.9 Mol F: C38H46F2N6O9S2 Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-2-[[[2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]-2-hydroxyethyl]sulfonyl](methyl)-amino]-6-(1-methylethyl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic Acid

Rosuvastatin EP Impurity F

CAT No: CL-RST-07 CAS No: 289042-12-2 Mol Wt: 577.7 Mol F: C29H40FN3O6S Inv Status: In Stock

Chemical Name: 1,1-dimethylethyl [(4R,6S)-6-[(E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]ethenyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate

Rosuvastatin EP Impurity G

CAT No: CL-RST-08 CAS No: 1242184-42-4 Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid

Rosuvastatin EP Impurity H

CAT No: CL-RST-09 CAS No: 1335110-44-5 Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-5-(8-Fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid

Rosuvastatin Impurity I (Calcium Salt)

CAT No: CL-RST-10 CAS No: NA Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3S,5RS)-5-[8-Fluoro-4-isopropyl-2-(N-methylmethylsulfon amido)-5,6-dihydrobenzo[h]quinazolin-6-yl]-3,5-dihydroxypentanoicacid calcium salt

Rosuvastatin EP Impurity J

CAT No: CL-RST-11 CAS No: NA Mol Wt: 814.9 Mol F: C38H44F2N6O8S2 Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-fluorophenyl)-2-[[[(E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]ethenyl]sulfonyl](methyl)amino]-6-(1-methylethyl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid

Rosuvastatin EP Impurity K

CAT No: CL-RST-12 CAS No: 1422954-12-8 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: (2Z,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoic acid

Rosuvastatin EP Impurity L

CAT No: CL-RST-13 CAS No: 1347797-73-2 Mol Wt: 483.5 Mol F: C22H30FN3O6S Inv Status: In Stock

Chemical Name: (3R,5R)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyheptanoic acid

Rosuvastatin EP Impurity M

CAT No: CL-RST-14 CAS No: 847849-66-5 Mol Wt: 463.5 Mol F: C22H29N3O6S Inv Status: In Stock

Chemical Name: (3R,5S,6E)-3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoic acid

Rosuvastatin EP Impurity N

CAT No: CL-RST-15 CAS No: 2290571-51-4 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: (S,2E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoic acid

Rosuvastatin Diastereomer of Lactone Impurity

CAT No: CL-RST-16 CAS No: 1422954-11-7 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-N-methyl-methane sulfonamide

Rosuvastatin Impurity 35

CAT No: CL-RST-17 CAS No: 1024064-70-7 Mol Wt: 483.55 Mol F: C22H30FN3O6S Inv Status: In Stock

Chemical Name: 7-[4-(4-Fluorophenyl)-2-[methyl(methylsulfonyl)amino]-6-propan-2-ylpyrimidin-5-yl]-3,5-dihydroxyheptanoic acid

Rosuvastatin Impurity 25

CAT No: CL-RST-18 CAS No: 42558-54-3 Mol Wt: 144.17 Mol F: C7H12O3 Inv Status: In Stock

Chemical Name: Methyl 4-methyl-3-oxopentanoate

Rosuvastatin (3R,5R)-Isomer

CAT No: CL-RST-20 CAS No: 1422515-55-6 Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate hemicalcium salt

Rosuvastatin (3R,5R)-Isomer Methyl Ester

CAT No: CL-RST-21 CAS No: 1776088-23-3 Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid methyl ester

Rosuvastatin (3R,5R)-Isomer t-Butyl Ester

CAT No: CL-RST-22 CAS No: 2162136-65-2 Mol Wt: 537.6 Mol F: C26H36FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid t-butyl ester

Rosuvastatin (6R)-Isomer Calcium Salt

CAT No: CL-RST-24 CAS No: 854898-49-0 Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate hemicalcium salt

Rosuvastatin (6R)-Isomer Methyl Ester

CAT No: CL-RST-25 CAS No: 2808459-60-9 Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-5-[(6R)-8-Fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl]-3,5-dihydroxypentanoic acid methyl ester

Rosuvastatin (6S)-Isomer Hemicalcium Salt

CAT No: CL-RST-26 CAS No: 854898-50-3 Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: calcium(I) (3R,5S)-5-((S)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate

Rosuvastatin (Z)-Isomer

CAT No: CL-RST-27 CAS No: NA Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6Z)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid

Rosuvastatin 2,3,4,5-Dianhydro Acid

CAT No: CL-RST-28 CAS No: NA Mol Wt: 445.5 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: (6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-hept-2,4,6-trienoic acid

Rosuvastatin 2,3-Anhydro (5S)-Lactone

CAT No: CL-RST-29 CAS No: 1246665-85-9 Mol Wt: 445.1 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: N-[5-[(1E)-2-[(2S)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]ethenyl]-4-(4-fluoro phenyl)-6-(1-methylethyl)-2-pyrimidinyl]-N-methylmethanesulfonamide

Rosuvastatin 2,3-Anhydro Acid Ethyl Ester

CAT No: CL-RST-30 CAS No: NA Mol Wt: 491.6 Mol F: C24H30FN3O5S Inv Status: Custom Synthesis

Chemical Name: Ethyl (S,2Z,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate

Rosuvastatin 2,3-Anhydro Acid Methyl Ester

CAT No: CL-RST-31 CAS No: NA Mol Wt: 477.2 Mol F: C23H28FN3O5S Inv Status: Custom Synthesis

Chemical Name: Methyl (S,2Z,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate

Rosuvastatin 5-Oxo Acid Methyl Ester

CAT No: CL-RST-32 CAS No: 147118-39-6 Mol Wt: 493.6 Mol F: C23H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid methyl ester

Rosuvastatin Acid Methyl Ester

CAT No: CL-RST-33 CAS No: 147118-40-9 Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-(methyl-methyl sulfonyl-amino)-pyrimidin-5-yl]-3,5-dihydroxy-hept-6-enoic acid methyl ester

Rosuvastatin Acid t-Butyl Ester

CAT No: CL-RST-34 CAS No: 355806-00-7 Mol Wt: 537.6 Mol F: C26H36FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid t-butyl ester

Rosuvastatin Bromomethyl Impurity

CAT No: CL-RST-35 CAS No: 799842-07-2 Mol Wt: 416.3 Mol F: C16H19BrFN3O2S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-Fluorophenyl)-5-bromomethyl-6- isopropylpyrimidin-2-yl)-N-methyl methane sulfonamide

Rosuvastatin Calcium

CAT No: CL-RST-36 CAS No: 147098-20-2 Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: Calcium bis[(3R,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoate] (as per EP);Calcium (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate salt (as per USP)

Rosuvastatin EP Impurity A (Calcium salt)

CAT No: CL-RST-37 CAS No: 1714147-47-3 Mol Wt: 538.6 : 40.1 Mol F: C25H33FN3O7S : Ca Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[2-(2,N-dimethyl-2-hydroxypropane-1-sulfonamido)-4-(4-fluorophenyl)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid calcium salt (as per EP) Calcium (3R,5S,E)-7-{4-(4-fluorophenyl)-2-[(2-hydroxy-N,2-dimethylpropyl)sulfonamide]-6-isopropylpyrimidin-5-yl}-3,5-dihydroxyhept-6-enoate salt (as per USP)

Rosuvastatin EP Impurity A t-Butyl Ester

CAT No: CL-RST-38 CAS No: 1714147-49-5 Mol Wt: 595.7 Mol F: C29H42FN3O7S Inv Status: Custom Synthesis

Chemical Name: S-Desmethyl-S-(2-Hydroxy-2-Methylpropyl) Rosuvastatin t-Butyl Ester ; (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-hydroxy-2-methylpropylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid t-butyl ester

Rosuvastatin EP Impurity B (Calcium Salt)

CAT No: CL-RST-39 CAS No: NA Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3RS,5RS,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid hemicalcium salt (as per EP)

Rosuvastatin EP Impurity B (Sodium Salt)

CAT No: CL-RST-40 CAS No: 1007871-86-4 Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: (3RS,5RS,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid Sodium salt (as per EP)

Rosuvastatin EP Impurity C (Calcium Salt)

CAT No: CL-RST-42 CAS No: 1422514-05-3 Mol Wt: 479.5 : 1/2(40.1) Mol F: C22H26FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoic acid Calcium salt (as per EP);(R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoic acid Calcium salt (as per USP)

Rosuvastatin EP Impurity E (Calcium salt)

CAT No: CL-RST-43 CAS No: NA Mol Wt: 831.9 : 40.1 Mol F: C38H45F2N6O9S2 : Ca Inv Status: Custom Synthesis

Chemical Name: Calcium(I) (3R,5S,E)-7-(4-(4-fluorophenyl)-2-((2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-2-hydroxy-N-methylethyl)sulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin EP Impurity G (Calcium Salt)

CAT No: CL-RST-44 CAS No: NA Mol Wt: 480.5 : 1/2(40.1) Mol F: C22H27FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt

Rosuvastatin EP Impurity J (Sodium Salt)

CAT No: CL-RST-45 CAS No: NA Mol Wt: 813.9 : 23.0 Mol F: C38H43F2N6O8S2 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-fluorophenyl)-2-[[[(E)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]pyrimidin-5-yl]ethenyl]sulfonyl](methyl)amino]-6-(1-methylethyl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid sodium salt

Rosuvastatin EP Impurity K (Hemicalcium salt)

CAT No: CL-RST-46 CAS No: NA Mol Wt: 462.5 : 1/2(40.1) Mol F: C22H25FN3O5S :1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: Hemicalcium (2Z,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoate (as per EP)

Rosuvastatin EP Impurity L (Calcium salt)

CAT No: CL-RST-47 CAS No: NA Mol Wt: 2(482.5) : 40.1 Mol F: 2(C22H29FN3O6S) : Ca Inv Status: Custom Synthesis

Chemical Name: (3?,5?)-7-[4-(4-?uorophenyl)-2-(N-methylmethane- sulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5- dihydroxyheptanoic acid calcium salt

Rosuvastatin EP Impurity L Tert-butyl Ester

CAT No: CL-RST-48 CAS No: NA Mol Wt: 539.7 Mol F: C26H38FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3R,5R)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyheptanoate

Rosuvastatin EP Impurity M (Calcium salt)

CAT No: CL-RST-49 CAS No: NA Mol Wt: 462.5 : 1/2(40.1) Mol F: C22H28N3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: Calcium (3R,5S,E)-3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoate

Rosuvastatin EP Impurity M (Sodium salt)

CAT No: CL-RST-50 CAS No: NA Mol Wt: 462.5 : 23.0 Mol F: C22H28N3O6S : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoic acid, sodium salt

Rosuvastatin EP impurity M tert-butyl Ester

CAT No: CL-RST-51 CAS No: NA Mol Wt: 519.7 Mol F: C26H37N3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3R,5S,E)-3,5-dihydroxy-7-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)hept-6-enoate

Rosuvastatin EP Impurity N (Calcium salt)

CAT No: CL-RST-52 CAS No: NA Mol Wt: 2(462.5): 40.1 Mol F: 2(C22H25FN3O5S) : Ca Inv Status: Custom Synthesis

Chemical Name: Calcium (2E,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoate (as per EP) ; Calcium (S,2ZE,6E)-7-[4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoate (2:1) (as per USP)

Rosuvastatin EP Impurity N (Sodium salt)

CAT No: CL-RST-53 CAS No: NA Mol Wt: 462.5 : 23.0 Mol F: C22H25FN3O5S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (S,2E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate

Rosuvastatin Formyl Impurity

CAT No: CL-RST-54 CAS No: 147118-37-4 Mol Wt: 351.4 Mol F: C16H18FN3O3S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-Fluorophenyl)-5-formyl-6- isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin FP Impurity A

CAT No: CL-RST-55 CAS No: 851443-04-4 Mol Wt: 509.6 Mol F: C24H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: Ethyl (3R,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoate

Rosuvastatin FP Impurity B

CAT No: CL-RST-56 CAS No: NA Mol Wt: 480.5 : 40.1 Mol F: C22H27FN3O6S : Ca Inv Status: Custom Synthesis

Chemical Name: Calcium (3R,5S)-5-[(6RS)-8-fluoro-2-(N-methylmethanesulfonamido)-4-(propan-2-yl)-5,6-dihydrobenzo[h]quinazolin-6-yl]-3,5-dihydroxypentanoate

Rosuvastatin Hydroxymethyl Impurity

CAT No: CL-RST-57 CAS No: 147118-36-3 Mol Wt: 353.4 Mol F: C16H20FN3O3S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-Fluorophenyl)-5-(hydroxymethyl)-6- isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 18

CAT No: CL-RST-58 CAS No: 953776-62-0 Mol Wt: 337.4 Mol F: C16H20FN3O2S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-Fluorophenyl)-5-methyl-6-(1-methylethyl)-2-pyrimidinyl]-N-methylmethanesulfonamide

Rosuvastatin Impurity 2

CAT No: CL-RST-59 CAS No: 1659301-57-1 Mol Wt: 445.5 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: Methanesulfonamide, N-?[5-?[(1E)?-?2-?[(2R)?-?3,?6-?dihydro-?6-?oxo-?2H-?pyran-?2-?yl]?ethenyl]?-?4-?(4-?fluorophenyl)?-?6-?(1-?methylethyl)?-?2-?pyrimidinyl]?-?N-?methyl

Rosuvastatin Impurity 3

CAT No: CL-RST-60 CAS No: 1659301-59-3 Mol Wt: 462.5 : 23.0 Mol F: C22H25FN3O5S : Na Inv Status: Custom Synthesis

Chemical Name: (R,2Z,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoic acid, sodium salt

Rosuvastatin Impurity 39

CAT No: CL-RST-61 CAS No: 88547783-8 Mol Wt: 598.7 : 79.9 Mol F: C34H34FN3O2PS : Br Inv Status: Custom Synthesis

Chemical Name: ((4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)methyl)triphenylphosphonium bromide

Rosuvastatin Impurity 4

CAT No: CL-RST-62 CAS No: 124655-09-0 Mol Wt: 260.3 Mol F: C13H24O5 Inv Status: Custom Synthesis

Chemical Name: tert-butyl 2-((4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 40

CAT No: CL-RST-63 CAS No: 1263475-93-9 Mol Wt: 367.4 Mol F: C16H18FN3O4S Inv Status: Custom Synthesis

Chemical Name: 4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidine-5-carboxylic acid

Rosuvastatin Impurity 5

CAT No: CL-RST-64 CAS No: 124752-23-4 Mol Wt: 258.3 Mol F: C13H22O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 56

CAT No: CL-RST-65 CAS No: NA Mol Wt: 353.4 Mol F: C15H16FN3O4S Inv Status: Custom Synthesis

Chemical Name: 4-(4-Fluorophenyl)-6-isopropyl-2-(methylsulfonamido)pyrimidine-5-carboxylic acid

Rosuvastatin Impurity 6

CAT No: CL-RST-66 CAS No: 154026-95-6 Mol Wt: 302.4 Mol F: C15H26O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 64

CAT No: CL-RST-67 CAS No: 851440-19-2 Mol Wt: 535.6 Mol F: C26H34FN3O6S Inv Status: Custom Synthesis

Chemical Name: Methyl 2-((4R,6S)-6-((E)-2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 67

CAT No: CL-RST-68 CAS No: NA Mol Wt: 559.7 Mol F: C29H41N3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-((E)-2-(4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 68

CAT No: CL-RST-69 CAS No: 1821422-50-7 Mol Wt: 577.7 Mol F: C29H40FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-((Z)-2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 7

CAT No: CL-RST-70 CAS No: 289042-11-1 Mol Wt: 381.4 Mol F: C17H20FN3O4S Inv Status: Custom Synthesis

Chemical Name: Methyl 4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidine-5-carboxylate

Rosuvastatin Impurity 74

CAT No: CL-RST-71 CAS No: 1220122-72-4 Mol Wt: 349.4 Mol F: C17H20FN3O2S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-Fluorophenyl)-6-isopropyl-5-vinylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 79

CAT No: CL-RST-72 CAS No: 1714147-51-9 Mol Wt: 635.8 Mol F: C32H46FN3O7S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-((E)-2-(4-(4-fluorophenyl)-2-((2-hydroxy-N,2-dimethylpropyl)sulfonamido)-6-isopropylpyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 80

CAT No: CL-RST-73 CAS No: NA Mol Wt: 363.4 Mol F: C17H21N3O4S Inv Status: Custom Synthesis

Chemical Name: Methyl 4-isopropyl-2-(N-methylmethylsulfonamido)-6-phenylpyrimidine-5-carboxylate

Rosuvastatin Impurity 81

CAT No: CL-RST-74 CAS No: NA Mol Wt: 319.4 Mol F: C16H21N3O2S Inv Status: Custom Synthesis

Chemical Name: N-(4-Isopropyl-5-methyl-6-phenylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 82

CAT No: CL-RST-75 CAS No: 1899869-35-2 Mol Wt: 391.5 Mol F: C19H22FN3O3S Inv Status: Custom Synthesis

Chemical Name: (E)-N-(4-(4-fluorophenyl)-6-isopropyl-5-(3-oxobut-1-en-1-yl)pyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 84

CAT No: CL-RST-76 CAS No: NA Mol Wt: 519.6 Mol F: C26H34FN3O5S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,2E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate

Rosuvastatin Isoamyl Ester

CAT No: CL-RST-77 CAS No: 1197348-98-3 Mol Wt: 551.7 Mol F: C27H38FN3O6S Inv Status: Custom Synthesis

Chemical Name: Isopentyl (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Oxopropenyl Impurity

CAT No: CL-RST-79 CAS No: 890028-66-7 Mol Wt: 377.4 Mol F: C18H20FN3O3S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-3-oxo-1-propenyl]-2-pyrimidinyl]-N-methyl-methanesulfonamide

Rosuvastatin Sodium EP Impurity K

CAT No: CL-RST-80 CAS No: NA Mol Wt: 462.5 : 23.0 Mol F: C22H25FN3O5S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (2Z,5S,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-5-hydroxyhepta-2,6-dienoate (as per EP)

Rosuvastatin t-octylammonium salt

CAT No: CL-RST-81 CAS No: 917805-85-7 Mol Wt: 481.5 : 129.3 Mol F: C22H28FN3O6S : C8H19N Inv Status: Custom Synthesis

Chemical Name: 2,4,4-trimethylpentan-2-amine (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Z-Isomer Sodium Salt

CAT No: CL-RST-82 CAS No: NA Mol Wt: 480.5 : 1/2(23.0) Mol F: C22H27FN3O6S : 1/2(Na) Inv Status: Custom Synthesis

Chemical Name: (3S,5R,Z)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoateSodium salt(2:1)

Rosuvastatin (3R,5R)-Isomer (Na salt)?

CAT No: CL-RST-83 CAS No: NA Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin EP Impurity C (Sodium Salt)

CAT No: CL-RST-84 CAS No: 1620823-61-1 Mol Wt: 501.5 Mol F: C22H25FN3NaO6S Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoic acid Sodium salt (as per EP);(R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoic acid Sodium salt (as per USP)

Rosuvastatin EP Impurity E (Sodium Salt)

CAT No: CL-RST-85 CAS No: NA Mol Wt: 831.9 : 23.0 Mol F: C38H45F2N6O9S2 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-(methyl (methylsulfonyl)amino]-5-pyrimidinyl]-2-hydroxy-ethylsulfonyl)amino)-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid Sodium salt

Rosuvastatin EP Impurity G t-Butyl Ester

CAT No: CL-RST-86 CAS No: 615263-60-0 Mol Wt: 537.6 Mol F: C26H36FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methylsulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid t-butyl ester

Rosuvastatin EP Impurity J (Calcium Salt)

CAT No: CL-RST-87 CAS No: NA Mol Wt: 813.9 : 1/2(40.1) Mol F: C38H43F2N6O8S2 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-(methyl (methylsulfonyl)amino]-5-pyrimidinyl]-ethenylsulfonyl)amino)-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid calcium salt

Rosuvastatin KSM (4S,6R)-isomer

CAT No: CL-RST-89 CAS No: NA Mol Wt: 577.7 Mol F: C29H40FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6R)-6-((E)-2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin EP Impurity A (Sodium salt)

CAT No: CL-RST-90 CAS No: 1714147-50-8 Mol Wt: 538.6 : 23.0 Mol F: C25H33FN3O7S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S,6E)-7-[2-(2,N-dimethyl-2-hydroxypropane-1-sulfonamido)-4-(4-fluorophenyl)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoate (as per EP)Sodium (3R,5S,E)-7-{4-(4-fluorophenyl)-2-[(2-hydroxy-N,2-dimethylpropyl)sulfonamide]-6-isopropylpyrimidin-5-yl}-3,5-dihydroxyhept-6-enoate salt (as per USP)

Rosuvastatin Impurity H (Calcium Salt)

CAT No: CL-RST-91 CAS No: NA Mol Wt: 480.5 : 20.0 Mol F: C22H27FN3O6S : 1/2 Ca Inv Status: Custom Synthesis

Chemical Name: (3R,5RS)-5-[8-Fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl]-3,5-dihydroxypentanoicacid calcium salt

(3R,5S,6Z)-Rosuvastatin Calcium

CAT No: CL-RST-92 CAS No: 1444772-08-0 Mol Wt: 481.5 : 1/2(40.1) Mol F: C22H28FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6Z)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic Acid hemi Calcium Salt

5-Hydroxy-3-keto Rosuvastatin

CAT No: CL-RST-93 CAS No: 1346747-49-6 Mol Wt: 479.5 Mol F: C22H26FN3O6S Inv Status: Custom Synthesis

Chemical Name: (E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxy-3-oxohept-6-enoic acid

ent-Rosuvastatin Lactone

CAT No: CL-RST-94 CAS No: 615263-62-2 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-Fluorophenyl)-5-((E)-2-((2R,4S)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)vinyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin (3R,5R)-Isomer Ethyl Ester

CAT No: CL-RST-95 CAS No: NA Mol Wt: 509.2 Mol F: C24H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid ethyl ester

Rosuvastatin (3S,5R)-Isomer Ethyl Ester

CAT No: CL-RST-96 CAS No: 615263-55-3 Mol Wt: 509.6 Mol F: C24H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid ethyl ester

Rosuvastatin (3S,5R)-Isomer Methyl Ester

CAT No: CL-RST-97 CAS No: 1112048-62-0 Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid methyl ester

Rosuvastatin (3S,5S)-Isomer Ethyl Ester

CAT No: CL-RST-98 CAS No: NA Mol Wt: 509.6 Mol F: C24H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid ethyl ester

Rosuvastatin (3S,5S)-Isomer Methyl Ester

CAT No: CL-RST-99 CAS No: NA Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3S,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid methyl ester

Rosuvastatin (3S,5S)-Isomer Sodium salt

CAT No: CL-RST-100 CAS No: NA Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: (3S,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic acid sodium salt

Rosuvastatin (6R)-Anhydro Lactone Impurity

CAT No: CL-RST-101 CAS No: 2514682-15-4 Mol Wt: 445.5 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: N-((R)-8-Fluoro-4-isopropyl-6-((S)-6-oxo-3,6-dihydro-2H-pyran-2-yl)-5,6-dihydrobenzo[h]quinazolin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin (6R)-Lactone Impurity

CAT No: CL-RST-102 CAS No: 854898-46-7 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-[(6R)-8-Fluoro-5,6-dihydro-4-(1-methylethyl)-6-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]benzo[h]quinazolin-2-yl]-N-methylmethane sulfonamide

Rosuvastatin (6S)-Anhydro Lactone Impurity

CAT No: CL-RST-103 CAS No: 2514963-93-8 Mol Wt: 445.5 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: N-((S)-8-Fluoro-4-isopropyl-6-((S)-6-oxo-3,6-dihydro-2H-pyran-2-yl)-5,6-dihydrobenzo[h]quinazolin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin (6S)-Isomer Methyl Ester

CAT No: CL-RST-104 CAS No: 2808459-56-3 Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-5-[(6S)-8-Fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl]-3,5-dihydroxypentanoic acid methyl ester

Rosuvastatin (6S)-Lactone Impurity

CAT No: CL-RST-105 CAS No: 854898-47-8 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-[(6S)-8-Fluoro-5,6-dihydro-4-(1-methylethyl)-6-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]benzo[h]quinazolin-2-yl]-N-methylmethane sulfonamide

Rosuvastatin 2,3,4,5-Dianhydro Acid Ethyl Ester

CAT No: CL-RST-106 CAS No: NA Mol Wt: 473.2 Mol F: C24H28FN3O4S Inv Status: Custom Synthesis

Chemical Name: (6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-hept-2,4,6-trienoic acid ethyl ester

Rosuvastatin 2,3,4,5-Dianhydro Acid Methyl Ester

CAT No: CL-RST-107 CAS No: NA Mol Wt: 459.2 Mol F: C23H26FN3O4S Inv Status: Custom Synthesis

Chemical Name: (6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-hept-2,4,6-trienoic acid methyl ester

Rosuvastatin 3-Oxo Acid Ethyl Ester

CAT No: CL-RST-108 CAS No: 901765-36-4 Mol Wt: 507.6 Mol F: C24H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: ethyl (S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxy-3-oxohept-6-enoate

Rosuvastatin 3-Oxo Acid Sodium Salt

CAT No: CL-RST-109 CAS No: NA Mol Wt: 501.5 Mol F: C22H25FN3NaO6S Inv Status: Custom Synthesis

Chemical Name: 7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-3-oxo-6-heptenoic acid sodium salt

Rosuvastatin 4,5-Anhydro Acid Sodium Salt

CAT No: CL-RST-110 CAS No: NA Mol Wt: 485.5 Mol F: C22H25FN3NaO6S Inv Status: Custom Synthesis

Chemical Name: (4E,6E)-7-[4-(4-Fluorophenyl)-6-isopropyl-2-(N-methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxyhepta-4,6-dienoic acid sodium salt

Rosuvastatin 4,6-Diene Impurity

CAT No: CL-RST-111 CAS No: 1422954-13-9 Mol Wt: 463.5 Mol F: C22H26FN3O5S Inv Status: Custom Synthesis

Chemical Name: (S,4E,6E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxyhepta-4,6-dienoic acid

Rosuvastatin 5-Oxo Acid Ethyl Ester

CAT No: CL-RST-112 CAS No: 1863898-67-2 Mol Wt: 507.6 Mol F: C24H30FN3O6OS Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid ethyl ester

Rosuvastatin 5-Oxo Acid t-Butyl Ester

CAT No: CL-RST-113 CAS No: 615556-96-2 Mol Wt: 535.6 Mol F: C26H34FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,6E)-7-[4-(4-Fluorophenyl)-6-(1-methyl ethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3-hydroxy-5-oxo-6-heptenoic acid t-butyl ester

Rosuvastatin 6,7 Dihydro Impurity

CAT No: CL-RST-114 CAS No: NA Mol Wt: 482.5 Mol F: C22H29FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyheptanoate hemicalcium salt

Rosuvastatin Acetonide (Acid)

CAT No: CL-RST-115 CAS No: 894787-93-0 Mol Wt: 521.6 Mol F: C25H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: 2-((4R,6S)-6-((E)-2-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid

Rosuvastatin Acid Allyl Ester

CAT No: CL-RST-116 CAS No: 1352945-05-1 Mol Wt: 521.6 Mol F: C25H32FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid allyl ester

Rosuvastatin Acid Isopropyl Ester

CAT No: CL-RST-117 CAS No: 851440-21-6 Mol Wt: 523.6 Mol F: C25H34FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-(methyl-methylsulfonyl-amino)-pyrimidin-5-yl]-3,5-dihydroxy-hept-6-enoic acid isopropyl ester

Rosuvastatin Acyl-beta-D-Glucuronide

CAT No: CL-RST-118 CAS No: 503610-44-4 Mol Wt: 657.7 Mol F: C28H36FN3O12S Inv Status: Custom Synthesis

Chemical Name: (2S,3S,4S,5R,6S)-6-(((3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Rosuvastatin D-5 Diastereomer Impurity

CAT No: CL-RST-119 CAS No: 1025085-36-2 Mol Wt: 302.4 Mol F: C15H26O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-(6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin D-5 Enantiomer Impurity

CAT No: CL-RST-120 CAS No: 2375865-91-9 Mol Wt: 302.4 Mol F: C15H26O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6R)-6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Des-fluoro Impurity

CAT No: CL-RST-121 CAS No: NA Mol Wt: 349.4 Mol F: C17H23N3O3S Inv Status: Custom Synthesis

Chemical Name: N-(5-(hydroxymethyl)-4-isopropyl-6-phenylpyrimidin-2-yl)-N-ethylmethanesulfonamide

Rosuvastatin Diastereoisomers (USP)

CAT No: CL-RST-122 CAS No: NA Mol Wt: 480.5 : 74.2 Mol F: C22H27FN3O6S : C4H12N Inv Status: Custom Synthesis

Chemical Name: (3RS,5RS,E)-7-[4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-3,5-dihydroxyhept-6-enoic acid t-Butylamine salt (as per USP)

Rosuvastatin Hydroxypropenyl Impurity

CAT No: CL-RST-123 CAS No: 910867-08-2 Mol Wt: 379.5 Mol F: C18H22FN3O3S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-Fluorophenyl)-5-[(1E)-3-hydroxy-1-propen-1-yl]-6-(1-methylethyl)-2-pyrimidinyl]-N-methyl-methanesulfonamide

Rosuvastatin Impurity 10

CAT No: CL-RST-124 CAS No: NA Mol Wt: 200.3 Mol F: C11H20O3 Inv Status: Custom Synthesis

Chemical Name: 1-(4-Hydroxytetrahydrofuran-2-yl)-4,4-dimethylpentan-2-one

Rosuvastatin Impurity 11

CAT No: CL-RST-125 CAS No: 2196204-63-2 Mol Wt: 202.3 Mol F: C10H18O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-hydroxy-5-oxohexanoate

Rosuvastatin Impurity 12

CAT No: CL-RST-126 CAS No: 727382-14-1 Mol Wt: 191.7 Mol F: C7H14ClNOSi Inv Status: Custom Synthesis

Chemical Name: (S)-4-chloro-3-((trimethylsilyl)oxy)butanenitrile

Rosuvastatin Impurity 13

CAT No: CL-RST-127 CAS No: 127913-44-4 Mol Wt: 119.5 Mol F: C4H6ClNO Inv Status: Custom Synthesis

Chemical Name: (S)-4-chloro-3-hydroxybutanenitrile

Rosuvastatin Impurity 14

CAT No: CL-RST-128 CAS No: 65372-09-0 Mol Wt: 182.2 Mol F: C10H14O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-(furan-2-yl)acetate

Rosuvastatin Impurity 15

CAT No: CL-RST-129 CAS No: 16427-41-1 Mol Wt: 152.2 Mol F: C5H12O3S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl methanesulfonate

Rosuvastatin Impurity 16

CAT No: CL-RST-130 CAS No: NA Mol Wt: 485.5 Mol F: C22H25FN3NaO5S Inv Status: Custom Synthesis

Chemical Name: Sodium (2E,6E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxyhepta-2,6-dienoate

Rosuvastatin Impurity 17

CAT No: CL-RST-131 CAS No: 2314445-48-0 Mol Wt: 445.5 Mol F: C22H24FN3O4S Inv Status: Custom Synthesis

Chemical Name: (E)-N-(4-(4-fluorophenyl)-6-isopropyl-5-(2-(6-oxo-3,6-dihydro-2H-pyran-2-yl)vinyl)pyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 20

CAT No: CL-RST-132 CAS No: NA Mol Wt: 573.7 Mol F: C30H43N3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-6-((E)-2-(2-(N-ethylmethylsulfonamido)-4-isopropyl-6-phenylpyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 21

CAT No: CL-RST-133 CAS No: 154026-92-3 Mol Wt: 236.7 Mol F: C10H17ClO4 Inv Status: Custom Synthesis

Chemical Name: tert-butyl (S)-6-chloro-5-hydroxy-3-oxohexanoate

Rosuvastatin Impurity 22

CAT No: CL-RST-134 CAS No: 325471-28-1 Mol Wt: 238.7 Mol F: C10H19ClO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3S,5S)-6-chloro-3,5-dihydroxyhexanoate

Rosuvastatin Impurity 23

CAT No: CL-RST-135 CAS No: NA Mol Wt: 657.8 Mol F: C30H44FN3O10S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(2-(4-fluorophenyl)-4-isopropyl-6-(N-methylmethylsulfonamido)pyridin-3-yl)-3,5-dihydroxy-N-methyl-N-((2S,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl)hept-6-enamide

Rosuvastatin Impurity 24

CAT No: CL-RST-136 CAS No: 1326303-05-2 Mol Wt: 374.5 Mol F: C16H26N2O4S2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-2,2-dimethyl-6-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 26

CAT No: CL-RST-137 CAS No: 488798-36-3 Mol Wt: 292.3 Mol F: C15H17FN2O3 Inv Status: Custom Synthesis

Chemical Name: Methyl 4-(4-fluorophenyl)-6-isopropyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Rosuvastatin Impurity 27

CAT No: CL-RST-138 CAS No: 488798-37-4 Mol Wt: 290.3 Mol F: C15H15FN2O3 Inv Status: Custom Synthesis

Chemical Name: Methyl 4-(4-fluorophenyl)-2-hydroxy-6-isopropylpyrimidine-5-carboxylate

Rosuvastatin Impurity 28

CAT No: CL-RST-139 CAS No: 5292-43-3 Mol Wt: 195.1 Mol F: C6H11BrO2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-bromoacetate

Rosuvastatin Impurity 29

CAT No: CL-RST-140 CAS No: NA Mol Wt: 258.3 Mol F: C13H22O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6S)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 30

CAT No: CL-RST-141 CAS No: 2124275-54-1 Mol Wt: 258.3 Mol F: C13H22O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6R)-6-formyl-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 31

CAT No: CL-RST-142 CAS No: NA Mol Wt: 398.3 Mol F: C16H20BrN3O2S Inv Status: Custom Synthesis

Chemical Name: N-(5-(Bromomethyl)-4-isopropyl-6-phenylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 32

CAT No: CL-RST-143 CAS No: 2125944-54-7 Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S)-5-((S)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate

Rosuvastatin Impurity 34

CAT No: CL-RST-144 CAS No: 488798-40-9 Mol Wt: 444.5 Mol F: C22H21FN2O5S Inv Status: Custom Synthesis

Chemical Name: Methyl-4-(4-fluorophenyl)-6-isopropyl-2- (tosyloxy)pyrimidine-5-carboxylate

Rosuvastatin Impurity 36

CAT No: CL-RST-145 CAS No: NA Mol Wt: 463.5 Mol F: C22H29N3O6S Inv Status: Custom Synthesis

Chemical Name: (e)-3,5-dihydroxy-7-[2-[methyl(methylsulfonyl)amino]-4-phenyl-6-propan-2-ylpyrimidin-5-yl]hept-6-enoic acid

Rosuvastatin Impurity 37

CAT No: CL-RST-146 CAS No: 289042-10-0 Mol Wt: 537.6 Mol F: C28H29FN3O3PS Inv Status: Custom Synthesis

Chemical Name: N-(5-((diphenylphosphoryl)methyl)-4-(4-fluorophenyl)-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin Impurity 38

CAT No: CL-RST-147 CAS No: 1092843-99-6 Mol Wt: 257.3 Mol F: C14H12FN3O Inv Status: Custom Synthesis

Chemical Name: 6-(4-Fluorophenyl)-4-isopropyl-2-oxo-1,2-dihydropyrimidine-5-carbonitrile

Rosuvastatin Impurity 41

CAT No: CL-RST-148 CAS No: 1642330-94-6 Mol Wt: 302.4 Mol F: C15H26O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6S)-6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 42

CAT No: CL-RST-149 CAS No: NA Mol Wt: 302.4 Mol F: C15H26O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6R)-6-(acetoxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 43

CAT No: CL-RST-150 CAS No: 148809-28-3 Mol Wt: 260.3 Mol F: C13H24O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6R)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 44

CAT No: CL-RST-151 CAS No: 407577-54-2 Mol Wt: 260.3 Mol F: C13H24O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6R)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 45

CAT No: CL-RST-152 CAS No: NA Mol Wt: 260.3 Mol F: C13H24O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 46

CAT No: CL-RST-153 CAS No: 319924-73-7 Mol Wt: 236.7 Mol F: C10H17ClO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 6-chloro-5-hydroxy-3-oxohexanoate

Rosuvastatin Impurity 47

CAT No: CL-RST-154 CAS No: 799842-06-1 Mol Wt: 352.4 Mol F: C16H17FN2O4S Inv Status: Custom Synthesis

Chemical Name: Methyl 4-(4-fluorophenyl)-6-isopropyl-2-(methylsulfonyl)pyrimidine-5-carboxylate

Rosuvastatin Impurity 49

CAT No: CL-RST-155 CAS No: 391218-14-7 Mol Wt: 164.6 Mol F: C6H9ClO3 Inv Status: Custom Synthesis

Chemical Name: (4R,6S)-6-(Chloromethyl)-4-hydroxytetrahydro-2H-pyran-2-one

Rosuvastatin Impurity 50

CAT No: CL-RST-156 CAS No: 521974-00-5 Mol Wt: 278.8 Mol F: C13H23ClO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6S)-6-(chloromethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 51

CAT No: CL-RST-157 CAS No: 404958-68-5 Mol Wt: 238.7 Mol F: C10H19ClO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3S,5R)-6-chloro-3,5-dihydroxyhexanoate

Rosuvastatin Impurity 52

CAT No: CL-RST-158 CAS No: 587855-03-6 Mol Wt: 180.6 Mol F: C6H9ClO4 Inv Status: Custom Synthesis

Chemical Name: (S)-6-Chloro-5-hydroxy-3-oxohexanoic acid

Rosuvastatin Impurity 53

CAT No: CL-RST-159 CAS No: 958358-67-3 Mol Wt: 182.6 Mol F: C6H11ClO4 Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-6-Chloro-3,5-dihydroxyhexanoic acid

Rosuvastatin Impurity 54

CAT No: CL-RST-160 CAS No: NA Mol Wt: 274.3 Mol F: C15H15FN2O2 Inv Status: Custom Synthesis

Chemical Name: 4-(4-Fluorophenyl)-6-isopropyl-2-methylpyrimidine-5-carboxylic acid

Rosuvastatin Impurity 55

CAT No: CL-RST-161 CAS No: NA Mol Wt: 276.3 Mol F: C14H13FN2O3 Inv Status: Custom Synthesis

Chemical Name: 4-(4-Fluorophenyl)-2-hydroxy-6-isopropylpyrimidine-5-carboxylic acid

Rosuvastatin Impurity 57

CAT No: CL-RST-163 CAS No: NA Mol Wt: 420.4 Mol F: C25H25O4P Inv Status: Custom Synthesis

Chemical Name: Methyl (S)-3-hydroxy-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate

Rosuvastatin Impurity 58

CAT No: CL-RST-164 CAS No: 2274793-64-3 Mol Wt: 534.7 Mol F: C31H39O4PSi Inv Status: Custom Synthesis

Chemical Name: Methyl (S)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate

Rosuvastatin Impurity 59

CAT No: CL-RST-165 CAS No: NA Mol Wt: 945.1 Mol F: C44H54F2N6O11S2 Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-(((3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoyl)oxy)-3-hydroxyhept-6-enoic acid

Rosuvastatin Impurity 60

CAT No: CL-RST-166 CAS No: NA Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-hydroxy-3-methoxyhept-6-enoic acid

Rosuvastatin Impurity 61

CAT No: CL-RST-167 CAS No: NA Mol Wt: 495.6 Mol F: C23H30FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-methoxyhept-6-enoic acid

Rosuvastatin Impurity 62

CAT No: CL-RST-168 CAS No: 1005003-79-1 Mol Wt: 537.6 Mol F: C26H36FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Impurity 63

CAT No: CL-RST-169 CAS No: NA Mol Wt: 461.5 Mol F: C22H24FN3O5S Inv Status: Custom Synthesis

Chemical Name: (3E,6E)-7-(4-(4-Fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-5-oxohepta-3,6-dienoic acid

Rosuvastatin Impurity 65

CAT No: CL-RST-170 CAS No: NA Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-5-(8-Fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid

Rosuvastatin Impurity 66

CAT No: CL-RST-171 CAS No: 160009-36-9 Mol Wt: 303.3 Mol F: C16H18FN3O2 Inv Status: Custom Synthesis

Chemical Name: Methyl 4-(4-fluorophenyl)-6-isopropyl-2-(methylamino)pyrimidine-5-carboxylate

Rosuvastatin Impurity 69

CAT No: CL-RST-172 CAS No: 1007871-85-3 Mol Wt: 577.7 Mol F: C29H40FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (E)-2-(6-(2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 71

CAT No: CL-RST-173 CAS No: 1326302-97-9 Mol Wt: 406.5 Mol F: C16H26N2O6S2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4R,6S)-2,2-dimethyl-6-(((5-methyl-1,3,4-thiadiazol-2-yl)sulfonyl)methyl)-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 72

CAT No: CL-RST-174 CAS No: 154026-93-4 Mol Wt: 238.7 Mol F: C10H19ClO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3R,5S)-6-chloro-3,5-dihydroxyhexanoate

Rosuvastatin Impurity 73

CAT No: CL-RST-175 CAS No: NA Mol Wt: 481.5 Mol F: C22H28FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S)-5-(2-(Ethylsulfonamido)-8-fluoro-4-isopropyl-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoic acid

Rosuvastatin Impurity 75

CAT No: CL-RST-176 CAS No: 140164-51-8 Mol Wt: 218.2 Mol F: C10H18O5 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-((4R,6S)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin Impurity 76

CAT No: CL-RST-177 CAS No: NA Mol Wt: 551.7 Mol F: C27H38FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-methoxyhept-6-enoate

Rosuvastatin Impurity 77

CAT No: CL-RST-178 CAS No: NA Mol Wt: 555.6 Mol F: C25H34FN3O8S Inv Status: Custom Synthesis

Chemical Name: (R)-2,3-Dihydroxypropyl (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Impurity 78

CAT No: CL-RST-179 CAS No: 1571071-69-6 Mol Wt: 292.3 Mol F: C15H17FN2O3 Inv Status: Custom Synthesis

Chemical Name: Methyl 6-(4-fluorophenyl)-4-isopropyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

Rosuvastatin Impurity 8

CAT No: CL-RST-180 CAS No: 97145-88-5 Mol Wt: 107.6 : 36.5 Mol F: C4H10ClN : HCl Inv Status: Custom Synthesis

Chemical Name: 3-Chloro-N-methylpropan-1-amine hydrochloride

Rosuvastatin Impurity 9

CAT No: CL-RST-181 CAS No: 84352-65-8 Mol Wt: 116.1 Mol F: C3H4N2OS Inv Status: Custom Synthesis

Chemical Name: 5-Methyl-1,3,4-thiadiazol-2(3H)-one

Rosuvastatin KSM (4S,6S)-isomer

CAT No: CL-RST-182 CAS No: 1378943-63-5 Mol Wt: 577.7 Mol F: C29H40FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-((4S,6S)-6-((E)-2-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)vinyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Rosuvastatin N-Desmethyl Impurity

CAT No: CL-RST-183 CAS No: 2253796-97-1 Mol Wt: 466.5 : 1/2(40.1) Mol F: C21H25FN3O6S : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: hemicalcium(I) (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin N-Desmethyl Lactone

CAT No: CL-RST-184 CAS No: 1797419-58-9 Mol Wt: 449.5 Mol F: C21H24FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-[4-(4-Fluorophenyl)-6-(1-methylethyl)-5-[(1E)-2-[(2S,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethenyl]-2-pyrimidinyl]-methanesulfonamide

Rosuvastatin N-Desmethyl t-Butyl Ester

CAT No: CL-RST-185 CAS No: 1283766-30-2 Mol Wt: 523.6 Mol F: C25H34FN3O6S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[(methylsulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt

Rosuvastatin N-Oxide Impurity 1

CAT No: CL-RST-186 CAS No: NA Mol Wt: 497.5 Mol F: C22H28FN3O7S Inv Status: Custom Synthesis

Chemical Name: 5-((3S,5R,E)-6-carboxy-3,5-dihydroxyhex-1-en-1-yl)-6-(4-fluorophenyl)-4-isopropyl-2-(N-methylmethylsulfonamido)pyrimidine 1-oxide

Rosuvastatin N-Oxide Impurity 2

CAT No: CL-RST-187 CAS No: NA Mol Wt: 497.5 Mol F: C22H28FN3O7S Inv Status: Custom Synthesis

Chemical Name: 5-((3S,5R,E)-6-carboxy-3,5-dihydroxyhex-1-en-1-yl)-4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidine 1-oxide

Rosuvastatin N-Oxide Impurity 3

CAT No: CL-RST-188 CAS No: NA Mol Wt: 512.5 : 23.0 Mol F: C22H27FN3O8S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)-1,3-dioxidopyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Z-Isomer

CAT No: CL-RST-189 CAS No: NA Mol Wt: 480.5 : 74.2 Mol F: C22H27FN3O6S : C4H12N Inv Status: Custom Synthesis

Chemical Name: 2-methylpropan-2-aminium (3S,5R,Z)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin EP Impurity G (Sodium salt)

CAT No: CL-RST-190 CAS No: 147098-18-8 Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3S,5R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin EP Impurity H (Sodium salt)

CAT No: CL-RST-191 CAS No: NA Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S)-5-(8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate

Rosuvastatin EP Impurity L (Sodium salt)

CAT No: CL-RST-192 CAS No: 1347362-67-7 Mol Wt: 482.5 : 23.0 Mol F: C22H29FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3?,5?)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3,5-dihydroxyheptanoate (as per EP)

Rosuvastatin (3S,5S)-Isomer Calcium salt

CAT No: CL-RST-193 CAS No: 2185805-14-3 Mol Wt: 2(480.5) : 40.1 Mol F: 2(C22H27FN3O6S) : Ca Inv Status: Custom Synthesis

Chemical Name: Calcium (3S,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin (6R)-Isomer Sodium Salt

CAT No: CL-RST-194 CAS No: NA Mol Wt: 480.5 : 23.0 Mol F: C22H27FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S)-5-((R)-8-fluoro-4-isopropyl-2-(N-methylmethylsulfonamido)-5,6-dihydrobenzo[h]quinazolin-6-yl)-3,5-dihydroxypentanoate

Rosuvastatin Impurity 83

CAT No: CL-RST-195 CAS No: 917805-74-4 Mol Wt: 481.5 :73.1 Mol F: C22H28FN3O6S : C4H11N Inv Status: Custom Synthesis

Chemical Name: 2-Methylpropan-2-amine (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Impurity 85

CAT No: CL-RST-196 CAS No: 918544-87-3 Mol Wt: 494.6 Mol F: C23H31FN4O5S Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxy-N-methylhept-6-enamide

Rosuvastatin Impurity 86

CAT No: CL-RST-197 CAS No: 2185805-15-4 Mol Wt: 535.6 Mol F: C26H34FN3O6S Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoate

Rosuvastatin D3 Sodium

CAT No: CL-RST-198 CAS No: 1279031-70-7 Mol Wt: 506.5 Mol F: C22H24D3FN3NaO6S Inv Status: Custom Synthesis

Chemical Name: Sodium (3R,5S,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-(methyl-d3)methylsulfonamido)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoate

Rosuvastatin Lactone-d6

CAT No: CL-RST-199 CAS No: NA Mol Wt: 469.6 Mol F: C22H20D6FN3O5S Inv Status: Custom Synthesis

Chemical Name: N-(4-(4-fluorophenyl)-5-((E)-2-((2S,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl)vinyl)-6-(propan-2-yl-1,1,1,3,3,3-d6)pyrimidin-2-yl)-N-methylmethanesulfonamide

Rosuvastatin-d6 Sodium Salt

CAT No: CL-RST-200 CAS No: 2070009-41-3 Mol Wt: 487.6 : 23.0 Mol F: C22H22D6FN3O6S : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5S,E)-7-(4-(4-fluorophenyl)-2-(N-methylmethylsulfonamido)-6-(propan-2-yl-1,1,1,3,3,3-d6)pyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid, sodium salt

Type:Impurity Reference Standard

API NAME:Rosuvastatin

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