Cephalexin Impurity 18 CAS 34632-04-7

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.34632-04-7
Molecular FormulaC16H17N3O4S
Molecular Weight347.39 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cephalexin Impurity 18 CAS 34632-04-7 chemical structure

Description

Cephalexin Impurity 18 (CAS 34632-04-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H17N3O4S. Molecular weight: 347.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H17N3O4S
Molecular Weight347.39 g/mol
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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Nitrogen Atoms3
Sulfur Atoms1

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