英文名稱
Pteroic Acid (>85%)
4-(((2-氨基-4-氧代-3,4-二氫蝶啶-6-基)甲基)氨基)苯甲酸
Smiles Code
NC1=NC(=O)c2nc(CNc3ccc(cc3)C(=O)O)cnc2N1
Light Yellow to Dark Yellow Solid
Aqueous Base (Slightly), DMSO (Slightly)
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Pteroic Acid (Methotrexate EP Impurity D N-Desmethyl Impurity) is a constituent as well as a degradation product of Folic Acid (F680300) formed via enzymatic hydrolysis. has been shown to activate the glutamylation of methotrexate by folylpolyglutamate synthetase.