3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 1263190-72-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1263190-72-2
Molecular FormulaC15H12N4O
Molecular Weight264.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 1263190-72-2 chemical structure

Description

The occurrence of 3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 1263190-72-2), molecular formula C15H12N4O and molecular weight 264.28 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H12N4O, 3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 3-[(E)-2-(Phenylmethylidene)hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one 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 FormulaC15H12N4O
Molecular Weight264.28 g/mol
Purity97%+
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms4

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