2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole CAS 2639-35-2

Purity 97%+In StockPharmaceutical Standards
CAS No.2639-35-2
Molecular FormulaC16H12ClNO
Molecular Weight269.73 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole CAS 2639-35-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 269.73 g/mol gives 2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole (CAS 2639-35-2) is a high-purity analytical reference standard with the molecular formula C16H12ClNO and a molecular weight of 269.73 g/mol.

Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 269.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 2-(4-Chlorostyryl)-5-methylbenzo[d]oxazole 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 FormulaC16H12ClNO
Molecular Weight269.73 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms1

Related Chlorostyryl Standards

Recommended Standards

Why CATO?