| CAS No. | 68498-57-7 |
| Molecular Formula | C7H9ClN2S |
| Molecular Weight | 188.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-Chloro-5,6-dimethyl-2-(methylthio)pyrimidine (CAS 68498-57-7) is a high-purity analytical reference standard with the molecular formula C7H9ClN2S and a molecular weight of 188.68 g/mol.
Based on its molecular formula C7H9ClN2S, 4-Chloro-5,6-dimethyl-2-(methylthio)pyrimidine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.68 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.
CATO manufactures 4-Chloro-5,6-dimethyl-2-(methylthio)pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C7H9ClN2S |
| Molecular Weight | 188.68 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.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |