Pemetrexed EP Impurity E Disodium Salt CAS 937370-10-0

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.937370-10-0
Molecular FormulaC20H19N5O6 2*Na
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemetrexed EP Impurity E Disodium Salt CAS 937370-10-0 chemical structure

Description

Pemetrexed EP Impurity E Disodium Salt (CAS 937370-10-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H19N5O6 2*Na. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H19N5O6 2*Na
Molecular Weight448.39 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms5

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