Benzylpenicillin Impurity 77 CAS CATO-C4X-189977

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-189977
Molecular FormulaC16H20N2O
Molecular Weight256.34 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Benzylpenicillin Impurity 77 CAS CATO-C4X-189977 chemical structure

Description

CATO supplies Benzylpenicillin Impurity 77 (CAS CATO-C4X-189977), a pharmacopoeial impurity reference standard (molecular formula C16H20N2O, MW 256.34 g/mol) used for the identification and quantification of trace impurities in APIs.

The molecular framework of Benzylpenicillin Impurity 77 (C16H20N2O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

CATO manufactures Benzylpenicillin Impurity 77 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC16H20N2O
Molecular Weight256.34 g/mol
Purity≥95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms2

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