Pemetrexed Impurity 15 (Mixture of Diastereomers) CAS 193281-00-4

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.193281-00-4
Molecular FormulaC20H21N5O7
Molecular Weight443.41 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemetrexed Impurity 15 (Mixture of Diastereomers) CAS 193281-00-4 chemical structure

Description

Pemetrexed Impurity 15 (Mixture of Diastereomers) (CAS 193281-00-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H21N5O7. Molecular weight: 443.41 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC20H21N5O7
Molecular Weight443.41 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.)2012
Nitrogen Atoms5

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