| CAS No. | 845618-08-8 |
| Molecular Formula | C5H8ClF3N2 |
| Molecular Weight | 188.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-chloro-2-trifluoromethyl-pyrimidine (CAS 845618-08-8) is a high-purity analytical reference standard with the molecular formula C5H8ClF3N2 and a molecular weight of 188.58 g/mol.
Owing to fluorine/chlorine substitution, 5-chloro-2-trifluoromethyl-pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 5-chloro-2-trifluoromethyl-pyrimidine 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 | C5H8ClF3N2 |
| Molecular Weight | 188.58 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |