3-[(E)-2-[(4-Methoxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 129227-25-4

Purity 97%+In StockPharmaceutical Standards
CAS No.129227-25-4
Molecular FormulaC16H14N4O2
Molecular Weight294.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-[(E)-2-[(4-Methoxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 129227-25-4 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-[(E)-2-[(4-Methoxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one.

3-[(E)-2-[(4-Methoxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 129227-25-4) is a high-purity analytical reference standard with the molecular formula C16H14N4O2 and a molecular weight of 294.31 g/mol.

Structurally, 3-[(E)-2-[(4-Methoxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (C16H14N4O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 294.31 g/mol, it falls into the medium-molecular-weight range. 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-[(4-Methoxyphenyl)methylidene]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 FormulaC16H14N4O2
Molecular Weight294.31 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms4

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