N-(2,3-dimethylquinoxalin-6-yl)-4-methoxybenzamide CAS 672949-86-9

Purity 97%+In StockPharmaceutical Standards
CAS No.672949-86-9
Molecular FormulaC18H17N3O2
Molecular Weight307.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(2,3-dimethylquinoxalin-6-yl)-4-methoxybenzamide CAS 672949-86-9 chemical structure

Description

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.

N-(2,3-dimethylquinoxalin-6-yl)-4-methoxybenzamide (CAS 672949-86-9), molecular formula C18H17N3O2 and molecular weight 307.35 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H17N3O2, N-(2,3-dimethylquinoxalin-6-yl)-4-methoxybenzamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.35 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.

CATO manufactures N-(2,3-dimethylquinoxalin-6-yl)-4-methoxybenzamide 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 FormulaC18H17N3O2
Molecular Weight307.35 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.)1985
Nitrogen Atoms3

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