N-(4-chlorophenyl)-3-methylbut-2-enamide CAS 21250-37-3

Purity 97%+In StockPharmaceutical Standards
CAS No.21250-37-3
Molecular FormulaC11H12ClNO
Molecular Weight209.67 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-chlorophenyl)-3-methylbut-2-enamide CAS 21250-37-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 209.67 g/mol gives N-(4-chlorophenyl)-3-methylbut-2-enamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(4-chlorophenyl)-3-methylbut-2-enamide (CAS 21250-37-3), molecular formula C11H12ClNO and molecular weight 209.67 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, N-(4-chlorophenyl)-3-methylbut-2-enamide (C11H12ClNO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 209.67 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 N-(4-chlorophenyl)-3-methylbut-2-enamide 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 FormulaC11H12ClNO
Molecular Weight209.67 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing
Nitrogen Atoms1

Related N Standards

Recommended Standards

Why CATO?