3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3h)-one CAS 126105-97-3

Purity 97%+In StockPharmaceutical Standards
CAS No.126105-97-3
Molecular FormulaC14H11ClN2OS2
Molecular Weight322.83 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3h)-one CAS 126105-97-3 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 3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3h)-one.

3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3h)-one (CAS 126105-97-3) is a high-purity analytical reference standard with the molecular formula C14H11ClN2OS2 and a molecular weight of 322.83 g/mol.

Structurally, 3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-d]pyrimidin-4(3h)-one (C14H11ClN2OS2) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 322.83 g/mol, it falls into the moderately-high-molecular-weight range. 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 3-(4-Chlorophenyl)-5,6-dimethyl-2-sulfanylthieno[2,3-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 FormulaC14H11ClN2OS2
Molecular Weight322.83 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

Related Chlorophenyl Standards

Recommended Standards

Why CATO?