3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride CAS 34576-83-5

Purity 97%+In StockPharmaceutical Standards
CAS No.34576-83-5
Molecular FormulaC9H3Cl2FOS
Molecular Weight249.09 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride CAS 34576-83-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 249.09 g/mol gives 3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride (CAS 34576-83-5), a certified reference material (molecular formula C9H3Cl2FOS, MW 249.09 g/mol) for analytical method development and quality control.

Based on its molecular formula C9H3Cl2FOS, 3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride contains sulfur-containing functionality, 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 249.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), 3-Chloro-6-fluoro-1-benzothiophene-2-carbonyl chloride 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 FormulaC9H3Cl2FOS
Molecular Weight249.09 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Halogen ContentF/Cl-containing
Sulfur Atoms1

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