4-Amino-5-methylpyrimidine-2(1H)-thione CAS 7390-56-9

Purity 97%+In StockPharmaceutical Standards
CAS No.7390-56-9
Molecular FormulaC5H7N3S
Molecular Weight141.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Amino-5-methylpyrimidine-2(1H)-thione CAS 7390-56-9 chemical structure

Description

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.

4-Amino-5-methylpyrimidine-2(1H)-thione (CAS 7390-56-9) is a high-purity analytical reference standard with the molecular formula C5H7N3S and a molecular weight of 141.19 g/mol.

4-Amino-5-methylpyrimidine-2(1H)-thione (C5H7N3S) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).

CATO manufactures 4-Amino-5-methylpyrimidine-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.

Physical & Chemical Properties

Molecular FormulaC5H7N3S
Molecular Weight141.19 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)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1959
Nitrogen Atoms3
Sulfur Atoms1

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