4-Amino-6-hydroxypyrimidine-2-thiol monohydrate 6-Amino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one monohydrate 6-amino-2-sulfanylidene-1,3-dihydropyrimidin-4-one hydrate 65802-56-4 CAS 65802-56-4

Description

The occurrence of 4-Amino-6-hydroxypyrimidine-2-thiol monohydrate 6-Amino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one monohydrate 6-amino-2-sulfanylidene-1,3-dihydropyrimidin-4-one hydrate 65802-56-4 is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Amino-6-hydroxypyrimidine-2-thiol monohydrate 6-Amino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one monohydrate 6-amino-2-sulfanylidene-1,3-dihydropyrimidin-4-one hydrate 65802-56-4 (CAS 65802-56-4) is a high-purity analytical reference standard with the molecular formula C4H5N3OSH2O and a molecular weight of 161.18 g/mol.

Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 4-Amino-6-hydroxypyrimidine-2-thiol monohydrate 6-Amino-2,3-dihydro-2-thioxopyrimidin-4(1H)-one monohydrate 6-amino-2-sulfanylidene-1,3-dihydropyrimidin-4-one hydrate 65802-56-4 is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 161.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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

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