Pemetrexed Disodium Heptahydrate CAS 357166-29-1

Purity 97%+In StockPharmaceutical Standards
CAS No.357166-29-1
Molecular FormulaC20H19N5O6 2*Na 7*H2O
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pemetrexed Disodium Heptahydrate CAS 357166-29-1 chemical structure

Description

Pemetrexed Disodium Heptahydrate (CAS 357166-29-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H19N5O6 2*Na 7*H2O. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H19N5O6 2*Na 7*H2O
Molecular Weight466.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms5

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