79640-68-9

5-(1,1-Dimethylethyl) 1-Methyl N-[4-[[(2,4-Diamino-6-pteridinyl)methyl]methylamino]benzoyl]-L-glutamate is an intermediate in the synthesis of Methotrexate α-Methyl Ester (M260700) which is an impurity of Methotrexate (M260675), a folic acid antagonist. Used as a antineoplastic and antirheumatic.