Methotrexate Impurity B

API Category Methotrexate impurity
Appearance Hygroscopic Yellow Solid
CAT Number DCTI-C-1412
CAS Number 54-62-6
IUPAC Name (4-(((2,4-diaminopteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid
Molecular Formula C19H20N8O5
Molecular Weight 440.41
Solubility DMSO
Storage Condition 2-8°C
Synonyms 4-Aminofolic Acid, 4-Aminopteroyl-L-glutamic Acid, 4-Amino-PGA; NSC 739; USP Methotrexate Related Compound B; Methotrexate EP Impurity B; 4-Amino-PGA; Aminopterin
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