3-Ethyl-2-mercapto-6-methyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one CAS 1105190-45-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1105190-45-1
Molecular FormulaC9H12N2OS2
Molecular Weight228.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethyl-2-mercapto-6-methyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one CAS 1105190-45-1 chemical structure

Description

3-Ethyl-2-mercapto-6-methyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one (CAS 1105190-45-1), molecular formula C9H12N2OS2 and molecular weight 228.33 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C9H12N2OS2, 3-Ethyl-2-mercapto-6-methyl-6,7-dihydrothieno[3,2-d]pyrimidin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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-Ethyl-2-mercapto-6-methyl-6,7-dihydrothieno[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 FormulaC9H12N2OS2
Molecular Weight228.33 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms2
Sulfur Atoms2

Related Ethyl Standards

Recommended Standards

Why CATO?