2 - Chloro - 5 - trifluoromethyl - benzoyl chloride 2-Chloro-5-(trifluoromethyl)benzoyl chloride 657-05-6 benzoyl chloride, 2-chloro-5-(trifluoromethyl)- CAS 657-05-6

Purity 97%+In StockPharmaceutical Standards
CAS No.657-05-6
Molecular FormulaC8H3Cl2F3O
Molecular Weight243.01 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2 - Chloro - 5 - trifluoromethyl - benzoyl chloride 2-Chloro-5-(trifluoromethyl)benzoyl chloride 657-05-6 benzoyl chloride, 2-chloro-5-(trifluoromethyl)- CAS 657-05-6 chemical structure

Description

2 - Chloro - 5 - trifluoromethyl - benzoyl chloride 2-Chloro-5-(trifluoromethyl)benzoyl chloride 657-05-6 benzoyl chloride, 2-chloro-5-(trifluoromethyl)- (CAS 657-05-6), molecular formula C8H3Cl2F3O and molecular weight 243.01 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H3Cl2F3O, 2 - Chloro - 5 - trifluoromethyl - benzoyl chloride 2-Chloro-5-(trifluoromethyl)benzoyl chloride 657-05-6 benzoyl chloride, 2-chloro-5-(trifluoromethyl)- 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 243.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 2 - Chloro - 5 - trifluoromethyl - benzoyl chloride 2-Chloro-5-(trifluoromethyl)benzoyl chloride 657-05-6 benzoyl chloride, 2-chloro-5-(trifluoromethyl)- meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC8H3Cl2F3O
Molecular Weight243.01 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.)1957
Halogen ContentF/Cl-containing

Related Chloro Standards

Recommended Standards

Why CATO?