4-Hydroxypyridine-2(1H)-thione CAS 204569-36-8

Purity 97%+In StockPharmaceutical Standards
CAS No.204569-36-8
Molecular FormulaC5H5NOS
Molecular Weight127.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Hydroxypyridine-2(1H)-thione CAS 204569-36-8 chemical structure

Description

CATO manufactures 4-Hydroxypyridine-2(1H)-thione 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.

4-Hydroxypyridine-2(1H)-thione (CAS 204569-36-8) is a high-purity analytical reference standard with the molecular formula C5H5NOS and a molecular weight of 127.16 g/mol.

Based on its molecular formula C5H5NOS, 4-Hydroxypyridine-2(1H)-thione 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 127.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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 FormulaC5H5NOS
Molecular Weight127.16 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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2015
Nitrogen Atoms1
Sulfur Atoms1

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