| CAS No. | 393516-77-3 |
| Molecular Formula | C9H7N3S |
| Molecular Weight | 189.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 189.24 g/mol gives 4-Pyridin-3-ylpyrimidine-2(1H)-thione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Pyridin-3-ylpyrimidine-2(1H)-thione (CAS 393516-77-3), a certified reference material (molecular formula C9H7N3S, MW 189.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7N3S, 4-Pyridin-3-ylpyrimidine-2(1H)-thione contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Pyridin-3-ylpyrimidine-2(1H)-thione 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.
| Molecular Formula | C9H7N3S |
| Molecular Weight | 189.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |