Impurity Reference Standard - Products

Methylprednisolone

CAT No: CL-MDNE-01 CAS No: 83-43-2 Mol Wt: 374.5 Mol F: C22H30O5 Inv Status: Custom Synthesis

Chemical Name: 11?,17,21-Trihydroxy-6?-methylpregna-1,4-diene-3,20-dione

Methylprednisolone EP Impurity A

CAT No: CL-MDNE-02 CAS No: 91523-05-6 Mol Wt: 372.5 Mol F: C22H28O5 Inv Status: Custom Synthesis

Chemical Name: 17,21-dihydroxy-6?-methylpregna-1,4-diene-3,11,20-trione,

Methylprednisolone EP Impurity B

CAT No: CL-MDNE-03 CAS No: 58636-50-3 Mol Wt: 390.5 Mol F: C22H30O6 Inv Status: Custom Synthesis

Chemical Name: 11?,17,21,21-tetrahydroxy-6?-methylpregna-1,4-diene-3,20-dione

Methylprednisolone EP Impurity C

CAT No: CL-MDNE-04 CAS No: 61919-52-6 Mol Wt: 314.4 Mol F: C20H26O3 Inv Status: Custom Synthesis

Chemical Name: 11?-hydroxy-6?-methylandrosta-1,4-diene-3,17-dione,

Methylprednisolone EP Impurity D

CAT No: CL-MDNE-05 CAS No: NA Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (EZ)-11?,20-dihydroxy-6?-methylpregna-1,4,17(20)-triene-3,21-dione

Methylprednisolone EP Impurity E

CAT No: CL-MDNE-06 CAS No: 229019-44-7 Mol Wt: 344.5 Mol F: C21H28O4 Inv Status: Custom Synthesis

Chemical Name: 11?-hydroxy-6?-methyl-3-oxoandrosta-1,4-diene-17?-carboxylic acid

Methylprednisolone EP Impurity F

CAT No: CL-MDNE-07 CAS No: 1625-39-4 Mol Wt: 376.5 Mol F: C22H32O5 Inv Status: Custom Synthesis

Chemical Name: 11?,17,21-trihydroxy-6?-methylpregn-4-ene-3,20-dione

Methylprednisolone EP Impurity G

CAT No: CL-MDNE-08 CAS No: 93269-35-3 Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: 17,21-dihydroxy-6?-methylpregna-1,4,9(11)-triene-3,20-dione

Methylprednisolone EP Impurity H

CAT No: CL-MDNE-09 CAS No: 18462-27-6 Mol Wt: 374.5 Mol F: C22H30O5 Inv Status: Custom Synthesis

Chemical Name: 11?,17,21-trihydroxy-6?-methylpregna-1,4-diene-3,20-dione

Methylprednisolone EP Impurity J

CAT No: CL-MDNE-10 CAS No: 53-36-1 Mol Wt: 416.5 Mol F: C24H32O6 Inv Status: Custom Synthesis

Chemical Name: 11?,17-dihydroxy-6?-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate

Methylprednisolone EP Impurity K

CAT No: CL-MDNE-11 CAS No: 50-24-8 Mol Wt: 360.5 Mol F: C21H28O5 Inv Status: Custom Synthesis

Chemical Name: 11?,17,21-trihydroxypregna-1,4-diene-3,20-dione (prednisolone)

Methylprednisolone EP Impurity L

CAT No: CL-MDNE-12 CAS No: 6870-94-6 Mol Wt: 358.5 Mol F: C22H30O4 Inv Status: Custom Synthesis

Chemical Name: 11?,17-dihydroxy-6?-methylpregna-1,4-diene-3,20-dione

Methylprednisolone Acetate EP Impurity A

CAT No: CL-MDNE-13 CAS No: 93963-74-7 Mol Wt: 418.5 Mol F: C24H34O6 Inv Status: Custom Synthesis

Chemical Name: (R)-2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyethyl acetate

Methylprednisolone Acetate EP Impurity C

CAT No: CL-MDNE-14 CAS No: 58636-50-3 Mol Wt: 372.5 Mol F: C22H28O5 Inv Status: Custom Synthesis

Chemical Name: 21-Dehydro-6?-Methylprednisolone, Partially Hydrated

Methylprednisolone Acetate EP Impurity D

CAT No: CL-MDNE-15 CAS No: 150899-33-5 Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: 11?-hydroxy-6?-methylpregna-1,4-diene-3,20,21-trione

Methylprednisolone Acetate EP Impurity E

CAT No: CL-MDNE-16 CAS No: 52-21-1 Mol Wt: 402.5 Mol F: C23H30O6 Inv Status: Custom Synthesis

Chemical Name: 11b,17-dihydroxy-3,20-dioxopregna-1,4-dien-21-yl acetate

Methylprednisolone Acetate EP Impurity F

CAT No: CL-MDNE-17 CAS No: NA Mol Wt: 398.5 Mol F: C24H30O5 Inv Status: Custom Synthesis

Chemical Name: 2-Oxo-2-((6S,8S,9S,10R,13S,14S,17S)-6,10,13-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate

Methylprednisolone Acetate EP Impurity G

CAT No: CL-MDNE-18 CAS No: 1625-11-2 Mol Wt: 418.5 Mol F: C24H34O6 Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Methylprednisolone Acetate EP Impurity H

CAT No: CL-MDNE-19 CAS No: 1968-76-9 Mol Wt: 384.5 Mol F: C24H32O4 Inv Status: Custom Synthesis

Chemical Name: (E)-2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-3,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)ethyl acetate

Methylprednisolone Acetate EP Impurity J

CAT No: CL-MDNE-20 CAS No: 1048031-82-8 Mol Wt: 416.5 Mol F: C24H32O6 Inv Status: Custom Synthesis

Chemical Name: 11?,17-Dihydroxy-6?-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate

Methylprednisolone Acetate EP Impurity K

CAT No: CL-MDNE-21 CAS No: 115321-98-7 Mol Wt: 414.5 Mol F: C24H30O6 Inv Status: Custom Synthesis

Chemical Name: 17-Hydroxy-6?-methyl-3,11,20-trioxopregna-1,4-dien-21-yl acetate; 6?-Methyl Prednisone 21-Acetate; 6?)-21-(acetyloxy)-17-hydroxy-6-methylpregna-1,4-diene-3,11,20-trione; 17,21-Dihydroxy-6?-methylpregna-1,4-diene-3,11,20-trione 21-Acetate

Methylprednisolone Hydrogen Succinate EP Impurity E

CAT No: CL-MDNE-22 CAS No: 2920-86-7 Mol Wt: 460.5 Mol F: C25H32O8 Inv Status: Custom Synthesis

Chemical Name: (11?)-21-(3-Carboxy-1-oxopropoxy)-11,17-dihydroxy-pregna-1,4-diene-3,20-dione

6?-?Methyl Hydrocortisone 21-?Hemisuccinate

CAT No: CL-MDNE-23 CAS No: 119657-85-1 Mol Wt: 476.6 Mol F: C26H36O8 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methylprednisolone Glucuronide

CAT No: CL-MDNE-24 CAS No: NA Mol Wt: 550.6 Mol F: C28H38O11 Inv Status: Custom Synthesis

Chemical Name: (2S,3S,4S,5R)-6-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Methylprednisolone Sulfate

CAT No: CL-MDNE-25 CAS No: 1127921-80-5 Mol Wt: 454.5 Mol F: C22H30O8S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl hydrogen sulfate

Methylprednisolone Impurity 1

CAT No: CL-MDNE-26 CAS No: 86401-94-7 Mol Wt: 416.5 Mol F: C24H32O6 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate

Methylprednisolone 21-Hemisuccinate

CAT No: CL-MDNE-28 CAS No: 2921-57-5 Mol Wt: 474.6 Mol F: C26H34O8 Inv Status: Custom Synthesis

Chemical Name: 6-Alpha-Methyl Isomer of Methylhydrocortisone 21-Hydrogen Succinate

Methylprednisolone 17-Hydrogen Succinate

CAT No: CL-MDNE-29 CAS No: 77074-42-1 Mol Wt: 474.6 Mol F: C26H34O8 Inv Status: Custom Synthesis

Chemical Name: 4-(((6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)oxy)-4-oxobutanoic acid

Methylprednisolone 21-Propionate

CAT No: CL-MDNE-30 CAS No: 138804-88-3 Mol Wt: 430.5 Mol F: C25H34O6 Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl propionate

Methylprednisolone Ethylothopropionate

CAT No: CL-MDNE-31 CAS No: 85198-27-2 Mol Wt: 458.6 Mol F: C27H38O6 Inv Status: Custom Synthesis

Chemical Name: 17,21-dihydroxy-6a-methylpregna-1,4-diene-3,11,20-trione

Methylprednisolone 17-Propionate

CAT No: CL-MDNE-32 CAS No: 79512-61-1 Mol Wt: 430.6 Mol F: C25H34O6 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

Methylprednisolone EP Impurity D (E-Isomer)

CAT No: CL-MDNE-33 CAS No: 1338549-02-2 Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (E)-11?,20-dihydroxy-6?-methylpregna-1,4,17(20)-triene-3,21-dione

Methyl Prednisolone Impurity D (Isomer Mixture-1 And 2)

CAT No: CL-MDNE-35 CAS No: NA Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (E)-2-hydroxy-2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)acetaldehyde compound with (Z)-2-hydroxy-2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)acetaldehyde (1:1)

6-Hydroxy Methylprednisolone

CAT No: CL-MDNE-36 CAS No: 229019-42-5 Mol Wt: 390.5 Mol F: C22H30O6 Inv Status: Custom Synthesis

Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-trihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Delta-9,11-Methylprednisolone Acetate

CAT No: CL-MDNE-37 CAS No: 93239-37-3 Mol Wt: 398.5 Mol F: C24H30O5 Inv Status: Custom Synthesis

Chemical Name: (6a)-21-(Acetyloxy)-17-hydroxy-6-methylpregna-1,4,9(11)-triene-3,20-dione

Methylprednisolone Impurity 10

CAT No: CL-MDNE-38 CAS No: 115223-47-7 Mol Wt: 418.5 Mol F: C24H34O6 Inv Status: Custom Synthesis

Chemical Name: 2-((6R,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Methylprednisolone Impurity 19

CAT No: CL-MDNE-39 CAS No: NA Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Methyl-hemisuccinate

CAT No: CL-MDNE-40 CAS No: NA Mol Wt: 488.6 Mol F: C27H36O8 Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methyl succinate

6a-Methyl Prednisolone 21-Sulfate Ester

CAT No: CL-MDNE-41 CAS No: 1127921-80-5 Mol Wt: 454.5 Mol F: C22H30O8S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl hydrogen sulfate

6b-Methylprednisolone Hemisuccinate

CAT No: CL-MDNE-42 CAS No: 2376134-25-5 Mol Wt: 474.6 Mol F: C26H34O8 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6R,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methyl Prednisolone EP Impurity D (Isomer mixture-1 and 2)

CAT No: CL-MDNE-43 CAS No: NA Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (E)-2-hydroxy-2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)acetaldehyde compound with (Z)-2-hydroxy-2-((6S,8S,9S,10R,11S,13S,14S)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)acetaldehyde (1:1)

Methylprednisolone 17, 21-disuccinate

CAT No: CL-MDNE-44 CAS No: NA Mol Wt: NA Mol F: NA Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-17-((3-carboxypropanoyl)oxy)-11-hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methylprednisolone Dimer Impurity (RRT 2.28)

CAT No: CL-MDNE-45 CAS No: NA Mol Wt: 730.9 Mol F: C44H58O9 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-17-(((6S,8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-11-yl)oxy)-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Dimer Impurity 1

CAT No: CL-MDNE-46 CAS No: NA Mol Wt: 730.9 Mol F: C44H58O9 Inv Status: Custom Synthesis

Chemical Name: (6S,6'S,8S,8'S,9S,9'S,10R,10'R,11S,11'S,13S,13'S,14S,14'S,17R,17'R)-17,17'-(2,2'-oxybis(acetyl))bis(11,17-dihydroxy-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one)

Methylprednisolone Dimer Impurity 2

CAT No: CL-MDNE-47 CAS No: NA Mol Wt: 730.9 Mol F: C44H58O9 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-17-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-11-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 11

CAT No: CL-MDNE-49 CAS No: NA Mol Wt: 358.5 Mol F: C23H34O3 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17S)-11,17-dihydroxy-17-isopropyl-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 12

CAT No: CL-MDNE-50 CAS No: 113251-88-0 Mol Wt: 378.5 Mol F: C22H34O5 Inv Status: Custom Synthesis

Chemical Name: (5S,6R,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-5,11,17-trihydroxy-6,10,13-trimethylhexadecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 13

CAT No: CL-MDNE-51 CAS No: 1048031-80-6 Mol Wt: 358.5 Mol F: C22H30O4 Inv Status: Custom Synthesis

Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-11,17-dihydroxy-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 14

CAT No: CL-MDNE-52 CAS No: 82332-00-1 Mol Wt: 358.5 Mol F: C22H30O4 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-17-Acetyl-17-hydroxy-6,10,13-trimethyl-1,6,7,8,9,10,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-3,11(2H)-dione

Methylprednisolone Impurity 15

CAT No: CL-MDNE-53 CAS No: NA Mol Wt: 474.6 Mol F: C26H34O8 Inv Status: Custom Synthesis

Chemical Name: 4-(((6S,8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-11-yl)oxy)-4-oxobutanoic acid

Methylprednisolone Impurity 16

CAT No: CL-MDNE-54 CAS No: NA Mol Wt: 574.6 Mol F: C30H38O11 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11-((3-carboxypropanoyl)oxy)-17-hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methylprednisolone Impurity 17

CAT No: CL-MDNE-55 CAS No: 105500-05-8 Mol Wt: 374.5 Mol F: C22H30O5 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11R,13S,14S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 18

CAT No: CL-MDNE-56 CAS No: 1264368-56-0 Mol Wt: 460.6 Mol F: C26H36O7 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((8S,9S,10R,11S,13S,14S,17R)-17-hydroxy-10,11,13-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methylprednisolone Impurity 2

CAT No: CL-MDNE-57 CAS No: NA Mol Wt: 416.5 Mol F: C24H32O6 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-6,10,13-trimethyl-3-oxo-17-(propionyloxy)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

Methylprednisolone Impurity 20

CAT No: CL-MDNE-58 CAS No: NA Mol Wt: 730.9 Mol F: C44H58O9 Inv Status: Custom Synthesis

Chemical Name: 1-(11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2,3-dihydroxy-4-(11-hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)butane-1,4-dione

Methylprednisolone Impurity 5

CAT No: CL-MDNE-59 CAS No: NA Mol Wt: 390.5 Mol F: C22H30O6 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-6,11,17-trihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 6

CAT No: CL-MDNE-60 CAS No: NA Mol Wt: 390.5 Mol F: C22H30O6 Inv Status: Custom Synthesis

Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-6,11,17-trihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one compound with (6S,8S,9S,10R,11S,13S,14S,17R)-6,11,17-trihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one (1:1)

Methylprednisolone Impurity 7

CAT No: CL-MDNE-61 CAS No: 7055-53-0 Mol Wt: 360.5 Mol F: C22H32O4 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-11,17-dihydroxy-6,10,13-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 8

CAT No: CL-MDNE-62 CAS No: 187244-73-1 Mol Wt: 360.5 Mol F: C22H32O4 Inv Status: Custom Synthesis

Chemical Name: (6R,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-11,17-dihydroxy-6,10,13-trimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 9

CAT No: CL-MDNE-63 CAS No: 1746-38-9 Mol Wt: 374.5 Mol F: C22H30O5 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-17-Hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-1,6,7,8,9,10,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-3,11(2H)-dione

Methylprednisolone Suleptanate Ethyl Ester

CAT No: CL-MDNE-64 CAS No: NA Mol Wt: 679.9 Mol F: C35H53NO10S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 8-((2-(ethoxysulfonyl)ethyl)(methyl)amino)-8-oxooctanoate

Methylprednisolone Suleptanate Methyl Ester

CAT No: CL-MDNE-65 CAS No: NA Mol Wt: 665.8 Mol F: C34H51NO10S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 8-((2-(methoxysulfonyl)ethyl)(methyl)amino)-8-oxooctanoate

Methylprednisolone Suleptanate Sec Butyl Ester

CAT No: CL-MDNE-66 CAS No: NA Mol Wt: 707.9 Mol F: C37H57NO10S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 8-((2-(sec-butoxysulfonyl)ethyl)(methyl)amino)-8-oxooctanoate

Methylprednisolone Suleptanate Tert Butyl Ester

CAT No: CL-MDNE-67 CAS No: NA Mol Wt: 707.9 Mol F: C37H57NO10S Inv Status: Custom Synthesis

Chemical Name: 2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl 8-((2-(tert-butoxysulfonyl)ethyl)(methyl)amino)-8-oxooctanoate

Methylprednisolone-17-Propionate-11, 21-Diacetate

CAT No: CL-MDNE-68 CAS No: NA Mol Wt: 514.6 Mol F: C29H38O8 Inv Status: Custom Synthesis

Chemical Name: (6S,8S,9S,10R,13S,14S,17R)-11-acetoxy-17-(2-acetoxyacetyl)-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

11-Oxo-Methylprednisolone Hemisuccinate

CAT No: CL-MDNE-69 CAS No: NA Mol Wt: 472.5 Mol F: C26H32O8 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6S,8S,9S,10R,13S,14S,17R)-17-hydroxy-6,10,13-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic acid

Methylprednisolone Dimer Impurity

CAT No: CL-MDNE-70 CAS No: NA Mol Wt: 831 Mol F: C48H62O12 Inv Status: Custom Synthesis

Chemical Name: Bis(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl) succinate

Methylprednisolone EP Impurity D (Z-Isomer)

CAT No: CL-MDNE-71 CAS No: NA Mol Wt: 356.5 Mol F: C22H28O4 Inv Status: Custom Synthesis

Chemical Name: (Z)-11b,20-dihydroxy-6a-methylpregna-1,4,17(20)-triene-3,21-dione,

Methylprednisolone 21-Hemisuccinate D4

CAT No: CL-MDNE-72 CAS No: NA Mol Wt: 478.6 Mol F: C26H30D4O8 Inv Status: Custom Synthesis

Chemical Name: 4-(2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-4-oxobutanoic-2,2,3,3-d4 acid

Type:Impurity Reference Standard

API NAME:Methylprednisolone

Total Products: 69

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