5-chloro-2-trifluoromethyl-pyrimidine CAS 845618-08-8
| CAS No. | 845618-08-8 |
| Molecular Formula | C5H8ClF3N2 |
| Molecular Weight | 188.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Physical & Chemical Properties
| 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 |
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Recommended Standards
- 5-Chloro-2-fluorophenylacetic Acid (CAS 261762-97-4)
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- 5-Chloro-2-fluoro-4-methoxybenzaldehyde (CAS 221622-80-6)
- 5-Fluoro-2-methoxybenzoyl chloride (CAS 704-03-0)
- 5-(Chloromethyl)-2-fluoro-4-methylpyridine (CAS 1393553-53-1)
- Benzyl (R)-(pyrrolidin-3-ylmethyl)carbamate hydrochloride (CAS 872715-15-6)
- (6-Chloro-2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanol (CAS 170353-57-8)
- 6-Fluoro-2,3,4,9-tetrahydro-2,4,9,10-tetraazacyclohepta[def]fluoren-8(1H)-one (CAS 1446261-17-1)
- 1-(5-chloro-2-methoxyphenyl)pyrrolidin-3-amine (CAS 1179733-71-1)
- Benzo[d]cyclopenta[4,5]pyrrolo[1,2-a]imidazole (CAS 161853-14-1)
- 4-Ethynyl-2-methoxyphenol (CAS 14031-76-6)
- 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one hydrochloride (CAS 1823183-46-5)
- 2,8-Dimethylquinolin-5-amine (CAS 64485-52-5)
- Cholecystokinin Octapeptide (desulfated) (CAS 25679-24-7)
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