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COA COO

Methotrexate EP Impurity B (Aminopterin)

Impurity

CAS Number

54-62-6

Molecular Formula

C19H20N8O5

Product format

Neat

Molecular Weight

440.41

USP Description

Methotrexate Related Compound B

Storage

+5°C

Shipping

Room Temperature

API Family

Methotrexate

Synonyms

L-Glutamic acid, N-[4-[[(2, 4-diamino-6-pteridinyl)methyl]amino]benzoyl]-, Glutamic acid, N-[p-[[(2, 4-diamino-6-pteridinyl)methyl]amino]benzoyl]-, L- (8CI), N-[4-[[(2, 4-Diamino-6-pteridinyl)methyl]amino]benzoyl]-L-glutamic acid, 4-Aminofolic acid, 4-Aminopteroylglutamic acid, APGA, Aminopterin, Aminopterine, NSC 739, Pteramina, (S)-2-{4-[(2, 4-Diaminopteridin-6-yl)methylamino]benzamido}pentanedioic acid, Methotrexate Imp. B (EP), (2S)-2-[[4-[[(2, 4-Diaminopteridin-6-yl)methyl]amino]benzoyl]amino]pentanedioic Acid, Methotrexate Related Compound B and Methotrexate Impurity B

Smiles

Nc1nc(N)c2nc(CNc3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O)cnc2n1

Iupac Name

(2S)-2-[[4-[(2 and 4-diaminopteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid

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COA COO

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Product Type

Custom
Synthesis

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