4,6-difluoro-1H-indole-3-sulfonyl chloride CAS 2231234-25-4

Purity 97%+In StockPharmaceutical Standards
CAS No.2231234-25-4
Molecular FormulaC8H12ClF2NO2S
Molecular Weight259.70 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,6-difluoro-1H-indole-3-sulfonyl chloride CAS 2231234-25-4 chemical structure

Description

The occurrence of 4,6-difluoro-1H-indole-3-sulfonyl chloride is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4,6-difluoro-1H-indole-3-sulfonyl chloride (CAS 2231234-25-4), molecular formula C8H12ClF2NO2S and molecular weight 259.70 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H12ClF2NO2S, 4,6-difluoro-1H-indole-3-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 259.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

As a certified reference material (CRM), 4,6-difluoro-1H-indole-3-sulfonyl 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 FormulaC8H12ClF2NO2S
Molecular Weight259.70 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)
StabilityLight-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1998
Halogen ContentF/Cl-containing
Nitrogen Atoms1
Sulfur Atoms1

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