![Methotrexate Related Compound B United States Pharmacopeia (USP) Reference Standard](/deepweb/assets/sigmaaldrich/product/structures/157/900/e61bb405-6b48-476c-a06e-775241d65c73/640/e61bb405-6b48-476c-a06e-775241d65c73.png)
Methotrexate Related Compound B
![Methotrexate Related Compound B United States Pharmacopeia (USP) Reference Standard](/deepweb/assets/sigmaaldrich/product/structures/157/900/e61bb405-6b48-476c-a06e-775241d65c73/640/e61bb405-6b48-476c-a06e-775241d65c73.png)
Synonym(s):
Aminopterin, (S)-2-{4-[(2,4-Diaminopteridin-6-yl)methylamino]benzamido}pentanedioic acid, 4-Amino-PGA, 4-Aminofolic acid, 4-Aminopteroyl-L-glutamic acid
Empirical Formula (Hill Notation):
C19H20N8O5
CAS Number:
Molecular Weight:
440.41
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