(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)amino]methyl]benzoyl]amino]pentanedioic acid Price Not Available inquiry (2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)amino]methyl]benzoyl]amino]pentanedioic acid Supplier Page Catalog Number ACM53661942 Alternative Name(s) Isoaminopterin, Iso-Aminopterin, CID427395, NSC211519, L-Glutamic acid, N-[4-[[(2,4-diamino-6-pteridinyl)amino]methyl]benzoyl]-, 53661-94-2 Molecular Formula C19H20N8O5 CAS# 53661-94-2 Purity 96% Size inquiry Supplier Page https://www.alfa-chemistry.com/cas_53661-94-2.htm