5-Methyl-2H-1,4-thiazin-3(4H)-one CAS 22390-69-8

Purity 97%+In StockPharmaceutical Standards
CAS No.22390-69-8
Molecular FormulaC5H7NOS
Molecular Weight129.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methyl-2H-1,4-thiazin-3(4H)-one CAS 22390-69-8 chemical structure

Description

CATO manufactures 5-Methyl-2H-1,4-thiazin-3(4H)-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.

5-Methyl-2H-1,4-thiazin-3(4H)-one (CAS 22390-69-8), molecular formula C5H7NOS and molecular weight 129.18 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C5H7NOS, 5-Methyl-2H-1,4-thiazin-3(4H)-one contains 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 129.18 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.

Physical & Chemical Properties

Molecular FormulaC5H7NOS
Molecular Weight129.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms1

Recommended Standards

Why CATO?