2-Methylbenzothiazole-6-sulfonyl Chloride CAS 21431-13-0

Purity 97%+In StockPharmaceutical Standards
CAS No.21431-13-0
Molecular FormulaC8H6ClNO2S2
Molecular Weight247.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methylbenzothiazole-6-sulfonyl Chloride CAS 21431-13-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Methylbenzothiazole-6-sulfonyl Chloride.

2-Methylbenzothiazole-6-sulfonyl Chloride (CAS 21431-13-0) is a high-purity analytical reference standard with the molecular formula C8H6ClNO2S2 and a molecular weight of 247.72 g/mol.

Based on its molecular formula C8H6ClNO2S2, 2-Methylbenzothiazole-6-sulfonyl Chloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.72 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.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 2-Methylbenzothiazole-6-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 FormulaC8H6ClNO2S2
Molecular Weight247.72 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms2

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