| CAS No. | 4874-30-0 |
| Molecular Formula | C12H12N2O2S |
| Molecular Weight | 248.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 2-(Methylthio)-5-(phenylmethoxy)-4-pyrimidinone 4874-30-0 5-(Benzyloxy)-2-(methylthio)-4-pyrimidinol NSC 94996 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.
2-(Methylthio)-5-(phenylmethoxy)-4-pyrimidinone 4874-30-0 5-(Benzyloxy)-2-(methylthio)-4-pyrimidinol NSC 94996 (CAS 4874-30-0), molecular formula C12H12N2O2S and molecular weight 248.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H12N2O2S, 2-(Methylthio)-5-(phenylmethoxy)-4-pyrimidinone 4874-30-0 5-(Benzyloxy)-2-(methylthio)-4-pyrimidinol NSC 94996 contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C12H12N2O2S |
| Molecular Weight | 248.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |