USPUSP-NF
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Methotrexate
C20H22N8O5 454.44
l-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)methyl]methylamino]benzoyl]-;
(S)-2-(4-{[(2,4-Diaminopteridin-6-yl)methyl](methyl)amino}benzamido)pentanedioic acid;
4-Amino-10-methylfolic acid [59-05-2]

DEFINITION

Methotrexate contains NLT 98.0% and NMT 102.0% of methotrexate (C20H22N8O5), calculated on the anhydrous basis.

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