Methotrexate EP Impurity B - o2h discovery website

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Methotrexate EP Impurity B

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CAT No o2h-M042002
CAS No 54-62-6
Mol.F. C19H20N8O5
Mol.Wt. 440.4
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Chemical Name : (2S)-2-[[4-[[(2,4-diaminopteridin-6-yl)methyl]amino]benzoyl]amino]pentanedioic acid

Smiles : NC1=NC(N)=C2C(N=CC(CNC3=CC=C(C(N[C@]([H])(C(O)=O)CCC(O)=O)=O)C=C3)=N2)=N1

Synonym : Methotrexate USP Related Compound B ; Aminopterin ; 4-aminofolic acid