2-Amino-6-mercaptopyrimidin-4(1H)-one CAS 6973-81-5

Purity 97%+In StockPharmaceutical Standards
CAS No.6973-81-5
Molecular FormulaC4H5N3OS
Molecular Weight143.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Amino-6-mercaptopyrimidin-4(1H)-one CAS 6973-81-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 143.17 g/mol gives 2-Amino-6-mercaptopyrimidin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Amino-6-mercaptopyrimidin-4(1H)-one (CAS 6973-81-5) is a high-purity analytical reference standard with the molecular formula C4H5N3OS and a molecular weight of 143.17 g/mol.

Based on its molecular formula C4H5N3OS, 2-Amino-6-mercaptopyrimidin-4(1H)-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 143.17 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.

As a certified reference material (CRM), 2-Amino-6-mercaptopyrimidin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC4H5N3OS
Molecular Weight143.17 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 Atoms3
Sulfur Atoms1

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