Pemetrexed Impurity 34 CAS 1320346-43-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1320346-43-7
Molecular FormulaC16H16N4O4
Molecular Weight328.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemetrexed Impurity 34 CAS 1320346-43-7 chemical structure

Description

Pemetrexed Impurity 34 (CAS 1320346-43-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H16N4O4. Molecular weight: 328.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H16N4O4
Molecular Weight328.32 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
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.)1991
Nitrogen Atoms4

Related Pemetrexed Standards

Recommended Standards

Why CATO?