2-(Methylthio)pyrimidine-4(3H)-thione CAS 6303-54-4

Purity 97%+In StockPharmaceutical Standards
CAS No.6303-54-4
Molecular FormulaC5H6N2S2
Molecular Weight158.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(Methylthio)pyrimidine-4(3H)-thione CAS 6303-54-4 chemical structure

Description

2-(Methylthio)pyrimidine-4(3H)-thione (C5H6N2S2) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

2-(Methylthio)pyrimidine-4(3H)-thione (CAS 6303-54-4), molecular formula C5H6N2S2 and molecular weight 158.24 g/mol, is a CATO reference standard with documented purity and traceability.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC5H6N2S2
Molecular Weight158.24 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.)1958
Nitrogen Atoms2
Sulfur Atoms2

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Why CATO?