Cefradine EP Impurity A/Cefadroxil EP Impurity B CAS 22252-43-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.22252-43-3
Molecular FormulaC8H10N2O3S
Molecular Weight214.24 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cefradine EP Impurity A/Cefadroxil EP Impurity B CAS 22252-43-3 chemical structure

Description

Cefradine EP Impurity A/Cefadroxil EP Impurity B (CAS 22252-43-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H10N2O3S. Molecular weight: 214.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC8H10N2O3S
Molecular Weight214.24 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms2
Sulfur Atoms1

Related Cefradine Standards

Recommended Standards

Why CATO?