2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one CAS 1429629-67-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1429629-67-3
Molecular FormulaC7H5ClN2OS
Molecular Weight200.65 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one CAS 1429629-67-3 chemical structure

Description

The occurrence of 2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one is closely related to an amide group, sulfur-containing functionality, 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.

2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1429629-67-3) is a high-purity analytical reference standard with the molecular formula C7H5ClN2OS and a molecular weight of 200.65 g/mol.

Based on its molecular formula C7H5ClN2OS, 2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one contains an amide group, sulfur-containing functionality, 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 200.65 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.

CATO manufactures 2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one 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 FormulaC7H5ClN2OS
Molecular Weight200.65 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, 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
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

Related Chloro Standards

Recommended Standards

Why CATO?