5-bromopyrimidine-2-sulfonyl chloride CAS 1211591-80-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1211591-80-8
Molecular FormulaC4H2BrClN2O2S
Molecular Weight257.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-bromopyrimidine-2-sulfonyl chloride CAS 1211591-80-8 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 5-bromopyrimidine-2-sulfonyl chloride.

CATO supplies 5-bromopyrimidine-2-sulfonyl chloride (CAS 1211591-80-8), a certified reference material (molecular formula C4H2BrClN2O2S, MW 257.49 g/mol) for analytical method development and quality control.

Based on its molecular formula C4H2BrClN2O2S, 5-bromopyrimidine-2-sulfonyl chloride contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.49 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), 5-bromopyrimidine-2-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 FormulaC4H2BrClN2O2S
Molecular Weight257.49 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1990
Halogen ContentCl/Br-containing
Nitrogen Atoms2
Sulfur Atoms1

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