Impurities

Methotrexate Process Impurity 3

Product Code:Ax-IMP2343
CAS Number:79974-14-4
Synonyms:(R)-5-(benzyloxy)-4-(4-(((benzyloxy)carbonyl)(methyl)amino)benzamido)-5-oxopentanoic acid
Molecular Formula:C28H28N2O7
Molecular Weight:504.54

Methotrexate Process Impurity 2

Product Code:Ax-IMP2342
CAS Number:66891-86-9
Synonyms:benzyl (4-(chlorocarbonyl)phenyl)(methyl)carbamate
Molecular Formula:C16H14ClNO3
Molecular Weight:303.74

Methotrexate Process Impurity 1

Product Code:Ax-IMP2341
CAS Number:2528-30-5
Synonyms:4-(((benzyloxy)carbonyl)(methyl)amino)benzoic acid
Molecular Formula:C16H15NO4
Molecular Weight:285.3

Methotrexate dimethylamide

Product Code:Ax-IMP2340
CAS Number:71074-44-7
Synonyms:N2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-N5,N5-dimethyl-L-glutamine
Molecular Formula:C22H27N9O4
Molecular Weight:481.52

(R)-Methotrexate

Product Code:Ax-IMP2339
CAS Number:51865-79-3
Synonyms:(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzoyl)-L-glutamic acid
Molecular Formula:C20H22N8O5
Molecular Weight:454.45

Varenicline Impurity B

Product Code:Ax-IMP2338
CAS Number:NA
Synonyms:1-(7,8-diamino-1,2,4,5-tetrahydro-3H-1,5-methanobenzo[d]azepin-3-yl)-2,2,2-trifluoroethan-1-one
Molecular Formula:C13H14F3N3O
Molecular Weight:285.27

Varenicline Impurity A

Product Code:Ax-IMP2337
CAS Number:NA
Synonyms:1-(7,8-dinitro-1,2,4,5-tetrahydro-3H-1,5-methanobenzo[d]azepin-3-yl)-2,2,2-trifluoroethan-1-one
Molecular Formula:C13H10F3N3O5
Molecular Weight:345.24

Flurbiprofen Process Impurity 3

Product Code:Ax-IMP2335
CAS Number:78543-06-3
Synonyms:diethyl 2-(3-fluoro-4-nitrophenyl)-2-methylmalonate
Molecular Formula:C14H16FNO6
Molecular Weight:313.28

Flurbiprofen Process Impurity 4

Product Code:Ax-IMP2336
CAS Number:78543-08-5
Synonyms:diethyl 2-(4-amino-3-fluorophenyl)-2-methylmalonate
Molecular Formula:C14H18FNO4
Molecular Weight:283.3

Flurbiprofen Impurity

Product Code:Ax-IMP2334
CAS Number:42771-81-3
Synonyms:dimethyl 2-(2-fluoro-[1,1'-biphenyl]-4-yl)-2,3-dimethylsuccinate
Molecular Formula:C20H21FO4
Molecular Weight:344.38