3-Methyl-2-(methylthio)-6-(trifluoromethyl)pyrimidin-4(3H)-one CAS 156112-54-8
| CAS No. | 156112-54-8 |
| Molecular Formula | C7H7F3N2OS |
| Molecular Weight | 224.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-Methyl-2-(methylthio)-6-(trifluoromethyl)pyrimidin-4(3H)-one (CAS 156112-54-8), a certified reference material (molecular formula C7H7F3N2OS, MW 224.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H7F3N2OS, 3-Methyl-2-(methylthio)-6-(trifluoromethyl)pyrimidin-4(3H)-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 224.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 3-Methyl-2-(methylthio)-6-(trifluoromethyl)pyrimidin-4(3H)-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 Formula | C7H7F3N2OS |
| Molecular Weight | 224.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 7-Methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 1030420-40-6)
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Recommended Standards
- 5-(2,3-Difluorophenyl)cyclohexane-1,3-dione (CAS 1503065-06-2)
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- 1,3-Dimethyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 188616-74-2)
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