Carbazochrome Impurity 2 CAS CATO-C4X-22912

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.CATO-C4X-22912
Molecular FormulaC8H7NO2
Molecular Weight149.15 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Carbazochrome Impurity 2 CAS CATO-C4X-22912 chemical structure

Description

CATO manufactures Carbazochrome Impurity 2 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.

CATO supplies Carbazochrome Impurity 2 (CAS CATO-C4X-22912), a pharmacopoeial impurity reference standard (molecular formula C8H7NO2, MW 149.15 g/mol) used for the identification and quantification of trace impurities in APIs.

The molecular framework of Carbazochrome Impurity 2 (C8H7NO2) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

Physical & Chemical Properties

Molecular FormulaC8H7NO2
Molecular Weight149.15 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
Nitrogen Atoms1

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