Pemetrexed EP Impurity D Trisodium salt CAS 1265908-59-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1265908-59-5
Molecular FormulaC25H25N6O9 3*Na
Molecular WeightN/A
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemetrexed EP Impurity D Trisodium salt CAS 1265908-59-5 chemical structure

Description

Pemetrexed EP Impurity D Trisodium salt (CAS 1265908-59-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H25N6O9 3*Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC25H25N6O9 3*Na
Molecular Weight576.50 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)16.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms6

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