Name

Methotrex­ate Impu­ri­ty 1(Amethopterin Impu­ri­ty 1)

Chem­i­cal Name

(R)-4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-(dimethylamino)-5-oxopentanoic acid

Mol­e­c­u­lar Formula

C22H27N9O4

Mol­e­c­u­lar Weight

481.517

CAS Num­ber (Or Wat­son Num­ber for Non-CAS Products)

59-05-220029031

Appear­ance

Light yel­low pow­der

Sta­bil­i­ty and Solubility

Dis­solved in pure water

Stor­age

Store at -20°C

Use

Impu­ri­ty of API Methotrex­ate This prod­uct is devel­oped by our R&D com­pa­ny Cam­ing Phar­ma­ceu­ti­cal Ltd (https://​www​.cam​ing​.com/).

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