2-Chloro-1-(2-chloro-4-fluoro-5-methylphenyl)ethanone CAS 154258-17-0

Purity 97%+In StockPharmaceutical Standards
CAS No.154258-17-0
Molecular FormulaC9H7Cl2FO
Molecular Weight221.06 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-1-(2-chloro-4-fluoro-5-methylphenyl)ethanone CAS 154258-17-0 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.

2-Chloro-1-(2-chloro-4-fluoro-5-methylphenyl)ethanone (CAS 154258-17-0), molecular formula C9H7Cl2FO and molecular weight 221.06 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H7Cl2FO, 2-Chloro-1-(2-chloro-4-fluoro-5-methylphenyl)ethanone contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures 2-Chloro-1-(2-chloro-4-fluoro-5-methylphenyl)ethanone 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 FormulaC9H7Cl2FO
Molecular Weight221.06 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at room temperature, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2001
Halogen ContentF/Cl-containing

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