methotrexate and its Impurities
An antimetabolite of the antifolate type, Methotrexate is an chemotherapy drug and used for treating autoimmune diseases like psoriasis, rheumatoid arthritis. It causes life threatening side effects. Reference standards of Methotrexate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
R-Methotrexate ((R)-2-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic ac (1413988)
R-Methotrexate ((R)-2-(4-{[(2,4-diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic ac (1413988)
Catalogue No.:PA USP1413988
CAS :
59-05-2
Molecular Formula : NA
Molecular Weight : NA
Methotrexate Related Compound B ((S)-2-{4-[(2,4-diaminopteridin-6-yl)methylamino]benzamido}pentaned (1414025)
Methotrexate Related Compound B ((S)-2-{4-[(2,4-diaminopteridin-6-yl)methylamino]benzamido}pentaned (1414025)
Catalogue No.:PA USP1414025
CAS :
54-62-6
Molecular Formula : NA
Molecular Weight : NA
Methotrexate Related Compound C ((S)-2-(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](methyl) (1414036)
Methotrexate Related Compound C ((S)-2-(4-{[(2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl](methyl) (1414036)
Catalogue No.:PA USP1414036
CAS :
2410-93-7
Molecular Formula : NA
Molecular Weight : NA
Methotrexate Related Compound E (4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzoic acid, h (1414058)
Methotrexate Related Compound E (4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzoic acid, h (1414058)
Catalogue No.:PA USP1414058
CAS :
70844-48-3
Molecular Formula : NA
Molecular Weight : NA
Sodium (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-nitrosobenzamido)-2-methylpentanedioate
Sodium (S)-2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)-N-nitrosobenzamido)-2-methylpentanedioate
Catalogue No.:PA 13 0281012
CAS :
NA
Molecular Formula : C21H21N9Na2O6
Molecular Weight : 541.44
(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid
(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid
Catalogue No.:PA 13 0281027
CAS :
65148-64-3
Molecular Formula : C22H26N8O5
Molecular Weight : 482.5
(S)-4-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid
(S)-4-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-ethoxy-5-oxopentanoic Acid
Catalogue No.:PA 13 0281028
CAS :
65148-63-2
Molecular Formula : C22H26N8O5
Molecular Weight : 482.5