Impurities

Dioxolane Hydroxy Impurity

Product Code:Ax-IMP1293
CAS Number:91526-18-0
Synonyms:4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one
Molecular Formula:C5H6O4
Molecular Weight:130.1

Cis Dioxolane Impurity

Product Code:Ax-IMP1294
CAS Number:129482-56-0
Synonyms:(4S,5R)-4,5-dichloro-4,5-dimethyl-1,3-dioxolan-2-one; cis-4,5-dichloro-4,5-dimethyl-1,3-dioxolan-2-one
Molecular Formula:C5H6Cl2O3
Molecular Weight:185.01

Bupropion Related Compound C

Product Code:Ax-IMP1296
CAS Number:34841-35-5
Synonyms:1-(3-chlorophenyl)propan-1-one; 3-Chlorophenyl Ethyl Ketone; 3'-Chloropropiophenone
Molecular Formula:C9H9ClO
Molecular Weight:168.62

Melphalan Methyl ester Impurity

Product Code:Ax-IMP1297
CAS Number:62978-52-3
Synonyms:methyl (S)-2-amino-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoate hydrochloride
Molecular Formula:C14H21Cl3N2O2
Molecular Weight:355.68

Clobetasol Propionate Impurity C

Product Code:Ax-IMP1298
CAS Number:25122-52-5
Synonyms:(8S,9R,10S,11S,14S,16R,17R)-17-(2-chloroacetyl)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Molecular Formula:C25H32ClFO5
Molecular Weight:466.97

Clobetasol Propionate Process Impurity

Product Code:Ax-IMP1299
CAS Number:25122-24-1
Synonyms:(8S,9R,10S,11S,13S,14S,16R,17R)-2'-ethoxy-2'-ethyl-9-fluoro-11-hydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-17,4'-[1,3]dioxane]-3,5'(6H)-dione
Molecular Formula:C27H37FO6
Molecular Weight:476.59

Trimethoprim EP Impurity J

Product Code:Ax-IMP1302
CAS Number:118-41-2
Synonyms:3,4,5-trimethoxybenzoic acid; Gallic Acid Trimethyl Ether
Molecular Formula:C10H12O5
Molecular Weight:212.2

Trimethoprim EP Impurity H

Product Code:Ax-IMP1301
CAS Number:1916-07-0
Synonyms:methyl 3,4,5-trimethoxybenzoate; 3,4,5-Trimethoxybenzoic Acid Methyl Ester
Molecular Formula:C11H14O5
Molecular Weight:226.23

Trimethoprim EP Impurity C

Product Code:Ax-IMP1300
CAS Number:29606-06-2
Synonyms:(2,4-diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanol
Molecular Formula:C14H18N4O4
Molecular Weight:306.32

Mometasone Process Impurity 8

Product Code:Ax-IMP1320
CAS Number:83880-63-1
Synonyms:(8S,10S,13S,14S,16R,17R)-10,13,16-trimethyl-17-(2-((methylsulfonyl)oxy)acetyl)-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
Molecular Formula:C28H32O8S
Molecular Weight:528.62