Pemetrexed Impurity 7 CAS 137281-39-1

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.137281-39-1
Molecular FormulaC15H14N4O3
Molecular Weight298.30 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemetrexed Impurity 7 CAS 137281-39-1 chemical structure

Description

Pemetrexed Impurity 7 (CAS 137281-39-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H14N4O3. Molecular weight: 298.30 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC15H14N4O3
Molecular Weight298.30 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>90%
StorageStore at 2-8°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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Nitrogen Atoms4

Related Pemetrexed Standards

Recommended Standards

Why CATO?