| CAS No. | 1378673-63-2 |
| Molecular Formula | C6H2ClF3N4 |
| Molecular Weight | 222.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Chloro-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1378673-63-2), molecular formula C6H2ClF3N4 and molecular weight 222.56 g/mol, is a CATO reference standard with documented purity and traceability.
5-Chloro-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazine (C6H2ClF3N4) contains a nitrile group, fluorine/chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 5-Chloro-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyrazine 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 | C6H2ClF3N4 |
| Molecular Weight | 222.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |