Cefadroxil Impurity 3 CAS 2378158-44-0

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.2378158-44-0
Molecular FormulaC19H21N3O7S
Molecular Weight435.45 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Cefadroxil Impurity 3 CAS 2378158-44-0 chemical structure

Description

Cefadroxil Impurity 3 (CAS 2378158-44-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H21N3O7S. Molecular weight: 435.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H21N3O7S
Molecular Weight435.45 g/mol
Purity>90%
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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1999
Nitrogen Atoms3
Sulfur Atoms1

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