5,6-dichloropyridine-3-sulfonyl chloride CAS 98121-40-5

Purity 97%+In StockPharmaceutical Standards
CAS No.98121-40-5
Molecular FormulaC5H8Cl3NO2S
Molecular Weight252.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-dichloropyridine-3-sulfonyl chloride CAS 98121-40-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 252.55 g/mol gives 5,6-dichloropyridine-3-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5,6-dichloropyridine-3-sulfonyl chloride (CAS 98121-40-5), molecular formula C5H8Cl3NO2S and molecular weight 252.55 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5,6-dichloropyridine-3-sulfonyl chloride (C5H8Cl3NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 252.55 g/mol, it falls into the medium-molecular-weight range. 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.

CATO manufactures 5,6-dichloropyridine-3-sulfonyl chloride 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 FormulaC5H8Cl3NO2S
Molecular Weight252.55 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)1.0
CAS Registry Year (est.)1985
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms1

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