4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine CAS 885229-31-2

Purity 97%+In StockPharmaceutical Standards
CAS No.885229-31-2
Molecular FormulaC7H5ClN2O2S2
Molecular Weight248.71 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine CAS 885229-31-2 chemical structure

Description

The occurrence of 4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine (CAS 885229-31-2), a certified reference material (molecular formula C7H5ClN2O2S2, MW 248.71 g/mol) for analytical method development and quality control.

Based on its molecular formula C7H5ClN2O2S2, 4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.71 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.

CATO manufactures 4-Chloro-5-(methylsulfonyl)thieno[2,3-d]pyrimidine 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 FormulaC7H5ClN2O2S2
Molecular Weight248.71 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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