1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone 3328AF 925142-81-0 C11H9ClN2O CAS 925142-81-0

Purity 97%+In StockPharmaceutical Standards
CAS No.925142-81-0
Molecular FormulaC11H9ClN2O
Molecular Weight220.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone
3328AF
925142-81-0
C11H9ClN2O CAS 925142-81-0 chemical structure

Description

CATO manufactures 1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone 3328AF 925142-81-0 C11H9ClN2O 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.

CATO supplies 1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone 3328AF 925142-81-0 C11H9ClN2O (CAS 925142-81-0), a certified reference material (molecular formula C11H9ClN2O, MW 220.65 g/mol) for analytical method development and quality control.

Structurally, 1-[1-(3-Chlorophenyl)-1H-pyrazol-4-yl]ethanone 3328AF 925142-81-0 C11H9ClN2O (C11H9ClN2O) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.65 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.

Physical & Chemical Properties

Molecular FormulaC11H9ClN2O
Molecular Weight220.65 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms2

Related Chlorophenyl Standards

Recommended Standards

Why CATO?