1-Methyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one CAS 88191-89-3

Purity 97%+In StockPharmaceutical Standards
CAS No.88191-89-3
Molecular FormulaC6H5F3N2OS
Molecular Weight210.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Methyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one CAS 88191-89-3 chemical structure

Description

1-Methyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 88191-89-3) is a high-purity analytical reference standard with the molecular formula C6H5F3N2OS and a molecular weight of 210.18 g/mol.

Based on its molecular formula C6H5F3N2OS, 1-Methyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC6H5F3N2OS
Molecular Weight210.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Halogen ContentF-containing
Nitrogen Atoms2
Sulfur Atoms1

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