Impurity Reference Standard - Products

Atorvastatin Calcium Trihydrate

CAT No: CL-AVST-01 CAS No: 344423-98-9 Mol Wt: 557.6 : 1/2(40.1) : 3/2(18.0) Mol F: C33H34FN2O5 : 1/2(Ca) : 3/2H2O Inv Status: In Stock

Chemical Name: Calcium bis[(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate] Trihydrate ; (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt Trihydrate (as per USP)

Atorvastatin EP Impurity A

CAT No: CL-AVST-02 CAS No: 433289-84-0 Mol Wt: 539.7 Mol F: C33H35N2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-3,5-dihydroxy-7-(2-isopropyl-4,5-diphenyl-3-(phenylcarbamoyl)-1H-pyrrol-1-yl)heptanoate

Atorvastatin EP Impurity B

CAT No: CL-AVST-03 CAS No: 842103-12-2 Mol Wt: 558.7 Mol F: C33H35FN2O5 Inv Status: Custom Synthesis

Chemical Name: (3RS,5SR)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin EP Impurity C

CAT No: CL-AVST-04 CAS No: 693794-20-6 Mol Wt: 576.6 Mol F: C33H34F2N2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[2,3-bis(4-fluorophenyl)-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin EP Impurity D

CAT No: CL-AVST-05 CAS No: 148146-51-4 Mol Wt: 431.5 Mol F: C26H22FNO4 Inv Status: Custom Synthesis

Chemical Name: (2????3-(4-fluorobenzoyl)-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide (D1) and (1????????4-(4-fluorophenyl)-2,4-dihydroxy-N,5-diphenyl-2-(propan-2-yl)-3,6-dioxabicyclo[3.1.0]hexane-1-carboxamide (D2) ; Epoxide Impurity, 3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide (as per USP)

Atorvastatin EP Impurity E Sodium Salt

CAT No: CL-AVST-06 CAS No: 1428118-38-0 Mol Wt: 557.6 : 23.0 Mol F: C33H34FN2O5 : Na Inv Status: Custom Synthesis

Chemical Name: (3S,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid Sodium salt ; Sodium (3S,5S)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate (as per USP)

Atorvastatin EP Impurity F

CAT No: CL-AVST-07 CAS No: 887196-24-9 Mol Wt: 717.8 Mol F: C40H48FN3O8 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanamido]-3,5-dihydroxyheptanoic acid

Atorvastatin EP Impurity G Calcium Salt

CAT No: CL-AVST-08 CAS No: 887196-29-4 Mol Wt: 571.7 : 1/2(40.1) Mol F: C34H36FN2O5 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-methoxyheptanoic acid Calcium salt

Atorvastatin EP Impurity H

CAT No: CL-AVST-09 CAS No: 125995-03-1 Mol Wt: 540.6 Mol F: C33H33FN2O4 Inv Status: In Stock

Chemical Name: (4R,6R)-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]ethyl]-4-hydroxyoxan-2-one ; 5-(4-Fluorophenyl)-1-{2-[(2R, 4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide (as per USP)

Atorvastatin EP Impurity I

CAT No: CL-AVST-10 CAS No: 125971-95-1 Mol Wt: 654.8 Mol F: C40H47FN2O5 Inv Status: In Stock

Chemical Name: tert-butyl [(4R,6R)-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate ; tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxan-4-yl)acetate (as per USP)

Atorvastatin EP Impurity J

CAT No: CL-AVST-11 CAS No: 1105067-93-3 Mol Wt: 540.6 Mol F: C33H33FN2O4 Inv Status: In Stock

Chemical Name: (2E,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxyhept-2-enoic acid ; (S,E)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-5-hydroxyhept-2-enoic acid (as per USP); Atorvastatin 3-Deoxy-Hept-2-Enoic Acid (USP)

Atorvastatin Epoxy Pyrrolooxazin Tricyclic Analog

CAT No: CL-AVST-12 CAS No: NA Mol Wt: 572.6 Mol F: C33H33FN2O6 Inv Status: Custom Synthesis

Chemical Name: 2,6-(2-Carboxymethyl-3-oxapropano)-7,8-epoxy-8a-(4-fluorophenyl)-6-isopropyl-N,8-diphenylhexahydro-2H -pyrrolo[2,1-b][1,3]oxazine-7-carboxamide

(3R,5S)-Atorvastatin

CAT No: CL-AVST-13 CAS No: 651770-09-1 Mol Wt: 558.7 Mol F: C33H35FN2O5 Inv Status: Custom Synthesis

Chemical Name: (??R,??S)-2-(4-Fluorophenyl)-??,??-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid

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

CAT No: CL-AVST-14 CAS No: NA Mol Wt: 572.7 Mol F: C34H37FN2O5 Inv Status: Custom Synthesis

Chemical Name: (3S,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid methyl ester

Atorvastatin 2,3,4,5-Dianhydro Acid

CAT No: CL-AVST-15 CAS No: 2588261-49-6 Mol Wt: 522.6 Mol F: C33H31FN2O3 Inv Status: Custom Synthesis

Chemical Name: (2E,4E)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)hepta-2,4-dienoic acid

Atorvastatin 2,3-Anhydro Lactone

CAT No: CL-AVST-16 CAS No: 442851-50-5 Mol Wt: 522.6 Mol F: C33H31FN2O3 Inv Status: In Stock

Chemical Name: 1-[2-[(2S)-3,6-Dihydro-6-oxo-2H-pyran-2-yl]-ethyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-N,4-diphenyl-1Hpyrrole-3-carboxamide

Atorvastatin 2-Fluoro Analog

CAT No: CL-AVST-17 CAS No: 2243639-97-4 Mol Wt: 558.7 Mol F: C33H35FN2O5 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-(2-(2-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

Atorvastatin 2-Fluoro t-Butyl Ester

CAT No: CL-AVST-18 CAS No: NA Mol Wt: 654.8 Mol F: C40H47FN2O5 Inv Status: Custom Synthesis

Chemical Name: (4R,6R)-6-[2-[2-(2-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester

Atorvastatin 2-Hydroxy Analog Calcium salt

CAT No: CL-AVST-19 CAS No: 265989-46-6 Mol Wt: 574.7 : 1/2(40.1) Mol F: C33H34FN2O6 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(2-Hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin 2-Hydroxy Lactone

CAT No: CL-AVST-20 CAS No: 163217-74-1 Mol Wt: 556.6 Mol F: C33H33FN205 Inv Status: Custom Synthesis

Chemical Name: 5-(4-Fluorophenyl)-N-(2-hydroxyphenyl)-2-(1-methylethyl)-4-phenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide

Atorvastatin 2-Hydroxy Analog Sodium salt

CAT No: CL-AVST-21 CAS No: 163217-75-2 Mol Wt: 573.6 : 23.0 Mol F: C33H34FN2O6 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(2-Hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid Sodium salt

Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Ethyl Ester

CAT No: CL-AVST-22 CAS No: 1624328-52-4 Mol Wt: NA Mol F: NA Inv Status: Custom Synthesis

Chemical Name: NA

Atorvastatin Acid Sodium salt

CAT No: CL-AVST-23 CAS No: 134523-01-6 Mol Wt: 557.6 : 23.0 Mol F: C33H34FN2O5 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(3-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid sodium salt

Atorvastatin EP Impurity O Sodium salt

CAT No: CL-AVST-24 CAS No: NA Mol Wt: 555.6 : 23.0 Mol F: C33H32FN2O5 : Na Inv Status: Custom Synthesis

Chemical Name: Sodium, (5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-oxoheptanoate

Atorvastatin 3-Oxo Methyl Ester

CAT No: CL-AVST-25 CAS No: 110862-47-0 Mol Wt: 570.7 Mol F: C33H35FN2O5 Inv Status: Custom Synthesis

Chemical Name: 7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-5-hydroxy-3-oxo-heptanoic acid methyl ester

Atorvastatin 3-Oxopropyl Impurity

CAT No: CL-AVST-26 CAS No: 110862-46-9 Mol Wt: 454.5 Mol F: C29H27FN2O2 Inv Status: Custom Synthesis

Chemical Name: 5-(4-Fluorophenyl)-2-isopropyl-1-(3-oxopropyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide

Atorvastatin 4-Hydroxy Calcium

CAT No: CL-AVST-27 CAS No: 1263176-34-6 Mol Wt: C33H34FN2O6 : 1/2(Ca) Mol F: 1263176-34-6 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(4-Hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt

Atorvastatin 4-Hydroxy Disodium Salt

CAT No: CL-AVST-28 CAS No: 214217-88-6 Mol Wt: 572.62 : 2(23.0) Mol F: C33H33FN2O6 : 2(Na) Inv Status: Custom Synthesis

Chemical Name: sodium (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-4-((4-oxidophenyl)carbamoyl)-3-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate

Atorvastatin 4-Hydroxy Lactone

CAT No: CL-AVST-29 CAS No: 163217-70-7 Mol Wt: 556.6 Mol F: C33H33FN2O5 Inv Status: Custom Synthesis

Chemical Name: 5-(4-Fluorophenyl)-N-(4-hydroxyphenyl)-2-(1-methylethyl)-4-phenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide

Atorvastatin 5-O-Methyl Sodium

CAT No: CL-AVST-30 CAS No: NA Mol Wt: 571.7 : 23.0 Mol F: C34H36FN2O5 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3-hydroxy-5-methoxy-heptanoic acid sodium salt

Atorvastatin 5-Oxo Acid

CAT No: CL-AVST-31 CAS No: 1391052-82-6 Mol Wt: 556.6 Mol F: C33H33FN2O5 Inv Status: Custom Synthesis

Chemical Name: (3R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3-hydroxy-5-oxo-heptanoic acid

Atorvastatin EP Impurity P

CAT No: CL-AVST-32 CAS No: 581772-29-4 Mol Wt: 598.7 Mol F: C36H39FN2O5 Inv Status: In Stock

Chemical Name: [(4R,6R)-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetic acid

Atorvastatin Acetonide Methyl Ester

CAT No: CL-AVST-33 CAS No: 1353049-81-6 Mol Wt: 612.7 Mol F: C37H41FN2O5 Inv Status: In Stock

Chemical Name: (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino) carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid methyl ester

Atorvastatin Acetonide t-Butyl Ester (3S,5S)-Isomer

CAT No: CL-AVST-34 CAS No: 472967-95-6 Mol Wt: 654.8 Mol F: C40H47FN2O5 Inv Status: Custom Synthesis

Chemical Name: (4S,6S)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid t-butyl ester

Atorvastatin Acetonide t-Butyl Ester (4S, 6R)-Isomer

CAT No: CL-AVST-35 CAS No: 1105067-90-0 Mol Wt: 654.8 Mol F: C40H47FN2O5 Inv Status: Custom Synthesis

Chemical Name: (4S,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino) carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic acid t-butyl ester

Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6R)-Isomer

CAT No: CL-AVST-36 CAS No: 125971-94-0 Mol Wt: 269.3 Mol F: C14H23NO4 Inv Status: Custom Synthesis

Chemical Name: (4R,6R)-1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-, 1,1-dimethylethyl ester

Atorvastatin Acetonide t-Butyl Ester Side Chain (4R,6S)-Isomer

CAT No: CL-AVST-37 CAS No: 196085-84-4 Mol Wt: 269.3 Mol F: C14H23NO4 Inv Status: Custom Synthesis

Chemical Name: (4R,6S)-1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-, 1,1-dimethylethyl ester

Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6R)-Isomer

CAT No: CL-AVST-38 CAS No: 186508-95-2 Mol Wt: 269.3 Mol F: C14H23NO4 Inv Status: Custom Synthesis

Chemical Name: (4S,6R)-1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-1,1-dimethylethyl ester

Atorvastatin Acetonide t-Butyl Ester Side Chain (4S,6S)-Isomer

CAT No: CL-AVST-39 CAS No: 196085-85-5 Mol Wt: 269.3 Mol F: C14H23NO4 Inv Status: Custom Synthesis

Chemical Name: (4S,6S)-1,3-Dioxane-4-acetic acid, 6-(cyanomethyl)-2,2-dimethyl-1,1-dimethylethyl ester

Atorvastatin

CAT No: CL-AVST-40 CAS No: 134523-00-5 Mol Wt: 558.6 Mol F: C33H35FN2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(3-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin EP Impurity M

CAT No: CL-AVST-41 CAS No: 1146977-93-6 Mol Wt: 586.7 Mol F: C35H39FN2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-Ethyl 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate ; ethyl (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate (as per USP)

Atorvastatin Acid Isopropyl Ester

CAT No: CL-AVST-42 CAS No: 1035205-25-4 Mol Wt: 600.7 Mol F: C36H41FN2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid isopropyl ester

Atorvastatin EP Impurity K

CAT No: CL-AVST-43 CAS No: 345891-62-5 Mol Wt: 572.7 Mol F: C34H37FN2O5 Inv Status: In Stock

Chemical Name: Methyl (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate ; methyl (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate (as per USP)

Atorvastatin EP Impurity N

CAT No: CL-AVST-44 CAS No: 134395-00-9 Mol Wt: 614.9 Mol F: C37H43FN2O5 Inv Status: In Stock

Chemical Name: Tert-butyl (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate

Atorvastatin Acyl-beta-D-Glucuronide

CAT No: CL-AVST-45 CAS No: 463962-58-5 Mol Wt: 734.8 Mol F: C39H43FN2O11 Inv Status: Custom Synthesis

Chemical Name: 6-((3R,5R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid

Atorvastatin EP Impurity F (Calcium Salt)

CAT No: CL-AVST-46 CAS No: 1105067-87-5 Mol Wt: 717.8 : 1/2(40.1) Mol F: C40H48FN3O8 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanamido]-3,5-dihydroxyheptanoic acid Calcium salt

Atorvastatin Diepoxide Calcium Salt

CAT No: CL-AVST-47 CAS No: 1807481-01-1 Mol Wt: 589.6 : 1/2(40.1) Mol F: C33H34FN2O7 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: 7-[N-Phenyl-2-[4-(4-fluorophenyl]-6-methylethyl]-3,7-dioxa-5-azatricyclo [4.1.0.02,4]-4-[{phenylamino}carboxamiide]-(3R,5R)-3,5-dihydroxyheptanoic acid calcium salt

Atorvastatin Impurity 10

CAT No: CL-AVST-48 CAS No: 2588261-36-1 Mol Wt: 596.8 Mol F: C37H44N2O5 Inv Status: In Stock

Chemical Name: Tert-butyl (3R,5R)-3,5-dihydroxy-7-(2-isopropyl-4,5-diphenyl-3-(phenylcarbamoyl)-1H-pyrrol-1-yl)heptanoate

Atorvastatin Diketo Amide 2-Fluoro Analog

CAT No: CL-AVST-49 CAS No: 1797905-42-0 Mol Wt: 417.5 Mol F: C26H24FNO3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(2-Fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenyl pentanamide

Atorvastatin Diketo Amide Impurity

CAT No: CL-AVST-50 CAS No: 125971-96-2 Mol Wt: 417.5 Mol F: C26H24FNO3 Inv Status: In Stock

Chemical Name: 2-(2-(4-Fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenyl pentanamide

Atorvastatin Diketoene Impurity

CAT No: CL-AVST-51 CAS No: 1331869-19-2 Mol Wt: 415.5 Mol F: C26H22FNO3 Inv Status: Custom Synthesis

Chemical Name: 2-[2-(4-Fluorophenyl)-2-oxo-1-phenylethylidene]-4-methyl-3-oxo-N-phenylpentanamide

Atorvastatin Epoxy Tetrahydrofuran Analog

CAT No: CL-AVST-52 CAS No: 873950-19-7 Mol Wt: 449.5 Mol F: C26H24FNO5 Inv Status: In Stock

Chemical Name: 4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo [3.1.0]hexane-1-carboxamide (as per USP)

Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog Sodium salt (FX1)

CAT No: CL-AVST-53 CAS No: 1315629-79-8 Mol Wt: 589.6 : 23.0 Mol F: C33H34FN2O7 : Na Inv Status: In Stock

Chemical Name: sodium (3R)-4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenylcarbamoyl)hexahydro-1aH-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoate

Atorvastatin Epoxy Pyrrolooxazin 6-Hydroxy Analog

CAT No: CL-AVST-54 CAS No: 1316291-19-6 Mol Wt: 589.6 : 23.0 Mol F: C33H34FN2O7 : Na Inv Status: Custom Synthesis

Chemical Name: Sodium, 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H-pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoate(as per USP)

Atorvastatin EP Impurity E Calcium salt

CAT No: CL-AVST-55 CAS No: 1105067-88-6 Mol Wt: 557.6 : 1/2 (40.1) Mol F: C33H34FN2O5 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (3S,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid Calcium salt Calcium(3S,5S)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate (as per USP)

Atorvastatin Impurity 11

CAT No: CL-AVST-56 CAS No: 616201-27-5 Mol Wt: 556.6 Mol F: C38H43FN2O5 Inv Status: In Stock

Chemical Name: Ethyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

(3R,5S)-Atorvastatin Calcium salt

CAT No: CL-AVST-58 CAS No: 1312366-79-2 Mol Wt: 557.7 : 1/2 (40.1) Mol F: C33H34FN2O5 : 1/2(Ca) Inv Status: In Stock

Chemical Name: (3R,5S)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate, calcium

Atorvastatin EP Impurity G

CAT No: CL-AVST-59 CAS No: 887324-53-0 Mol Wt: 572.7 Mol F: C34H37FN2O5 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-methoxyheptanoic acid

Atorvastatin EP Impurity Q

CAT No: CL-AVST-60 CAS No: 906552-18-9 Mol Wt: 574.6 Mol F: C33H35FN2O6 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[5-(4-fluorophenyl)-2-oxo-4-phenyl-3-(phenylcarbamoyl)-3-(propan-2-yl)-2,3-dihydro-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin Impurity 13

CAT No: CL-AVST-61 CAS No: 62148-67-8 Mol Wt: 248.7 Mol F: C14H10ClFO Inv Status: Custom Synthesis

Chemical Name: 2-chloro-1-(4-fluorophenyl)-2-phenylethan-1-one

Atorvastatin Impurity 14

CAT No: CL-AVST-62 CAS No: 1403667-07-1 Mol Wt: 283.1 Mol F: C14H9Cl2FO Inv Status: Custom Synthesis

Chemical Name: 2,2-Dichloro-1-(4-fluorophenyl)-2-phenylethan-1-one

Atorvastatin Impurity 15

CAT No: CL-AVST-63 CAS No: 444577-70-2 Mol Wt: 399.5 Mol F: C26H25NO3 Inv Status: Custom Synthesis

Chemical Name: 4-Methyl-3-oxo-2-(2-oxo-1,2-diphenylethyl)-N-phenylpentanamide

Atorvastatin Impurity 16

CAT No: CL-AVST-64 CAS No: 363599-73-9 Mol Wt: 556.6 Mol F: C36H39FN2O5 Inv Status: Custom Synthesis

Chemical Name: 2-(6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid

Atorvastatin Impurity 17

CAT No: CL-AVST-65 CAS No: 666714-64-3 Mol Wt: 556.6 Mol F: C26H23FN2O Inv Status: In Stock

Chemical Name: 5-(4-Fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

Atorvastatin Diamino Impurity

CAT No: CL-AVST-66 CAS No: 1116118-82-1 Mol Wt: 556.6 Mol F: C50H64FN3O8 Inv Status: In Stock

Chemical Name: Tert-butyl 2-((4R,6R)-6-(2-(2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Atorvastatin EP Impurity P (Sodium salt)

CAT No: CL-AVST-67 CAS No: 862260-38-6 Mol Wt: 598.7 : 23.0 Mol F: C36H39FN2O5 : Na Inv Status: Custom Synthesis

Chemical Name: [(4R,6R)-6-[2-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetic acid Sodium salt

Atorvastatin Calcium

CAT No: CL-AVST-68 CAS No: 134523-03-8 Mol Wt: 556.6 Mol F: C33H35FN2O5 : 1/2(Ca) Inv Status: In Stock

Chemical Name: Calcium bis[(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate] ; (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt (as per USP)

(3R,5R)-Atorvastatin Amide

CAT No: CL-AVST-69 CAS No: 2125501-02-0 Mol Wt: 556.6 Mol F: C33H36FN3O4 Inv Status: Custom Synthesis

Chemical Name: 1-((3R,5R)-7-amino-3,5-dihydroxy-7-oxoheptyl)-5-(4-fluorophenyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

Atorvastatin Impurity 18

CAT No: CL-AVST-70 CAS No: 141942-85-0 Mol Wt: 556.6 Mol F: C7H11NO3 Inv Status: Custom Synthesis

Chemical Name: Ethyl (R)-(-)-4-cyano-3-hydroxybutyate

Atorvastatin EP Impurity C Sodium salt

CAT No: CL-AVST-71 CAS No: 1807481-00-0 Mol Wt: 576.6 : 23.0 Mol F: C33H34F2N2O5 : Na Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[2,3-bis(4-fluorophenyl)-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid Sodium salt ;Sodium (3R,5R)-7-[2,3-Bis(4-fluorophenyl)-5-isopropyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate (as per USP)

Atorvastatin Impurity 19

CAT No: CL-AVST-72 CAS No: NA Mol Wt: 556.6 Mol F: C33H35FN2O7 Inv Status: Custom Synthesis

Chemical Name: 4-(1b-(4-flurophenyl)-6-hydroxy-6-isopropyl-1a-phenyl-6a-phenylcarbamoyl-hexahydro-1,2-dioxa-5a-aza-cyclopropa[a]inden-3-yl)-3-(R)-hydroxy-butyric acid

Atorvastatin Epoxy Pyrrolooxazin 7-Hydroxy Analog

CAT No: CL-AVST-73 CAS No: 873950-18-6 Mol Wt: 590.64 Mol F: C33H35FN2O7 Inv Status: Custom Synthesis

Chemical Name: (3R)-4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenylcarbamoyl)hexahydro-1aH-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid

Atorvastatin 2,3,4,5-Dianhydro Acid Calcium salt

CAT No: CL-AVST-74 CAS No: 2588261-50-9 Mol Wt: 522.6 : 1/2(40.1) Mol F: C33H31FN2O3 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: (2E,4E)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)hepta-2,4-dienoic acid Calcium salt

Atorvastatin Impurity 21

CAT No: CL-AVST-75 CAS No: NA Mol Wt: 625.8 Mol F: C37H43N3O6 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-3,5-Dihydroxy-7-(2-isopropyl-5-(4-morpholinophenyl)-4-phenyl-3-(phenylcarbamoyl)-1H-pyrrol-1-yl)heptanoic acid

Atorvastatin Impurity 22

CAT No: CL-AVST-76 CAS No: 265989-44-4 Mol Wt: 574.6 : 1/2 (40.1) Mol F: C33H35FN2O6 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: Calcium (3R,5R)-7-(2-(4-fluorophenyl)-4-((4-hydroxyphenyl)carbamoyl)-5-isopropyl-3-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

Atorvastatin Impurity 23

CAT No: CL-AVST-77 CAS No: 366-68-7 Mol Wt: 232.2 Mol F: C14H10F2O Inv Status: Custom Synthesis

Chemical Name: 1,2-Bis(4-fluorophenyl)ethan-1-one

Atorvastatin Impurity 24

CAT No: CL-AVST-78 CAS No: 77294-82-7 Mol Wt: 214.2 Mol F: C14H11FO Inv Status: Custom Synthesis

Chemical Name: 1-(2-Fluorophenyl)-2-phenylethan-1-one

Atorvastatin Impurity 25

CAT No: CL-AVST-79 CAS No: NA Mol Wt: 451.9 Mol F: C26H23ClFNO3 Inv Status: Custom Synthesis

Chemical Name: 2-(1-Chloro-2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxo-N-phenylpentanamide

Atorvastatin EP Impurity E

CAT No: CL-AVST-80 CAS No: 501121-34-2 Mol Wt: 558.2 Mol F: C33H35FN2O5 Inv Status: Custom Synthesis

Chemical Name: (3S,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid ; (3S,5S)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid (as per USP)

Atorvastatin Amide

CAT No: CL-AVST-81 CAS No: NA Mol Wt: 721.9 Mol F: C40H52FN3O8 Inv Status: Custom Synthesis

Chemical Name: 7-(7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrolidin-1-yl)-3,5-dihydroxyheptanamido)-3,5-dihydroxyheptanoic acid

Atorvastatin Impurity 26

CAT No: CL-AVST-82 CAS No: 912998-82-4 Mol Wt: 356.4 Mol F: C21H21FO4 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-(2-(4-fluorophenyl)-2-oxo-1-phenylethyl)-4-methyl-3-oxopentanoate

Atorvastatin Impurity 27

CAT No: CL-AVST-83 CAS No: NA Mol Wt: 399.5 Mol F: C26H25NO3 Inv Status: Custom Synthesis

Chemical Name: (E)-4-Methyl-3-(2-oxo-1,2-diphenylethoxy)-N-phenylpent-2-enamide

Atorvastatin Impurity 28

CAT No: CL-AVST-84 CAS No: 2514955-94-1 Mol Wt: 372 Mol F: C14H9Br2FO Inv Status: Custom Synthesis

Chemical Name: 2,2-Dibromo-1-(4-fluorophenyl)-2-phenylethan-1-one

Atorvastatin Impurity 29

CAT No: CL-AVST-85 CAS No: 125971-93-9 Mol Wt: 229.3 Mol F: C11H19NO4 Inv Status: Custom Synthesis

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

Atorvastatin EP Impurity J (Calcium salt)

CAT No: CL-AVST-86 CAS No: NA Mol Wt: 539.6 : 1/2(40.1) Mol F: C33H32FN2O4 : 1/2(Ca) Inv Status: Custom Synthesis

Chemical Name: calcium (2E,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxyhept-2-enoic acid ;calcium (S,E)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-5-hydroxyhept-2-enoic acid (as per USP)

Atorvastatin EP Impurity O

CAT No: CL-AVST-87 CAS No: 887196-30-7 Mol Wt: 556.6 Mol F: C33H33FN2O5 Inv Status: Custom Synthesis

Chemical Name: (5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-oxoheptanoic acid

Atorvastatin 2-Hydroxy Analog

CAT No: CL-AVST-88 CAS No: 214217-86-4 Mol Wt: 574.6 Mol F: C33H35FN2O6 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-[3-(2-Hydroxyphenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid

Atorvastatin Diepoxide

CAT No: CL-AVST-89 CAS No: 887470-43-1 Mol Wt: 590.6 Mol F: C33H35FN2O7 Inv Status: Custom Synthesis

Chemical Name: (3R,5R)-7-(4-(4-fluorophenyl)-6-isopropyl-2-phenyl-1-(phenylcarbamoyl)-3,7-dioxa-5-azatricyclo[4.1.0.02,4]heptan-5-yl)-3,5-dihydroxyheptanoic acid

Atorvastatin Calcium Propylene Glycol Solvate

CAT No: CL-AVST-90 CAS No: 1040350-07-9 Mol Wt: 558.7 : 1/2(40.1) : 76.1 Mol F: C33H35FN2O5 : 1/2(Ca) : C3H8O2 Inv Status: Custom Synthesis

Chemical Name: 1H-??yrrole-????eptanoic acid, 2-??-??luorophenyl)????,???-??ihydroxy-????-??ethylethyl)?????henyl-????(phenylamino)??arbonyl]???calcium salt, (??R,???R)???compd. with 1,????ropanediol (2:1:1)

Atorvastatin Difluoro Impurity

CAT No: CL-AVST-91 CAS No: 693793-82-7 Mol Wt: 435.5 Mol F: C26H23F2NO3 Inv Status: Custom Synthesis

Chemical Name: 2-(1,2-Bis(4-fluorophenyl)-2-oxoethyl)-4-methyl-3-oxo-N-phenylpentanamide

Atorvastatin Diol Methyl Ester

CAT No: CL-AVST-92 CAS No: NA Mol Wt: 587.7 Mol F: C34H38FN3O5 Inv Status: Custom Synthesis

Chemical Name: Methyl (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(2-phenylhydrazine-1-carbonyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate

Atorvastatin Impurity 136

CAT No: CL-AVST-93 CAS No: 1391052-00-8 Mol Wt: 814.01 Mol F: C47H60FN3O8 Inv Status: In Stock

Chemical Name: Tert-butyl 2-((4R,6R)-6-(2-((3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanamido)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Atorvastatin Pyrrolidone Analog

CAT No: CL-AVST-94 CAS No: 148217-40-7 Mol Wt: 596.63 Mol F: C33H34FN2NaO6 Inv Status: In Stock

Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-3-isopropyl-2-oxo-4-phenyl-3-(phenylcarbamoyl)-2,3-dihydro-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid Sodium salt

Atorvastatin Impurity 2

CAT No: CL-AVST-96 CAS No: 125995-13-3 Mol Wt: 273.37 Mol F: C14H27NO4 Inv Status: In Stock

Chemical Name: (4R,cis)-1,1-Dimethylethyl-6-aminoethyl-2,2-dimethyl-1,3-dioxane-4-acetate

Atorvastatin Impurity 3

CAT No: CL-AVST-97 CAS No: 125971-57-5 Mol Wt: 293.37 Mol F: C19H19NO2 Inv Status: In Stock

Chemical Name: 2-Benzylidene-4-methyl-3-oxo-N-phenylpentanamide

Atorvastatin Impurity 5

CAT No: CL-AVST-98 CAS No: 54016-70-5 Mol Wt: 252.17 Mol F: C8H14BrNOS Inv Status: In Stock

Chemical Name: tert-butyl 2-((4R,6R)-6-(2-(2-isopropyl-4,5-diphenyl-3-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate

Atorvastatin EP Impurity J Methyl ester

CAT No: CL-AVST-100 CAS No: NA Mol Wt: 554.65 Mol F: C34H35FN2O4 Inv Status: In Stock

Chemical Name: (S,E)-methyl 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyhept-2-enoate

Type:Impurity Reference Standard

API NAME:Atorvastatin

Total Products: 97

Inv. Status:

Products

Popular Links

Subscribe for news letter:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name:

CAT No:
CAS No:
Mol Wt:
Mol Formula:
Chemical Name: