4-Bromo-5-(trifluoromethyl)-1H-pyrazole CAS 918339-68-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 918339-68-1 |
| Molecular Formula | C4H2BrF3N2 |
| Molecular Weight | 214.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-(trifluoromethyl)-1H-pyrazole (CAS 918339-68-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H2BrF3N2. Molecular weight: 214.97 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H2BrF3N2 |
| Molecular Weight | 214.97 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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- 4-Bromo-3-(trifluoromethyl)pyrazole (CAS 19968-17-3)
Recommended Standards
- 5-Bromo-1-(trifluoromethyl)-1H-pyrazole (CAS 2092678-45-8)
- (2-Fluoro-6-(2-methoxyethoxy)pyridin-3-yl)boronic acid (CAS 1253575-61-9)
- Allyl bromodifluoroacetate (CAS 155820-76-1)
- n-Benzylpiperazine-1-carboxamide (CAS 202819-47-4)
- 2-{[4-(2,5-dimethyl-1H-pyrrol-1-yl)phenyl]methylene}malononitrile (CAS 771567-64-7)
- 5,6,7-Trimethyl-2,3-dihydrobenzofuran (CAS 89240-31-3)
- 4-(Trifluoromethyl)piperidine-1-sulfonyl chloride (CAS 679433-04-6)
- 7H-Pyrrolo[2,3-d]pyrimidine-4-carbaldehyde (CAS 1638768-36-1)
- (2-Chloropyridin-3-yl)-[4-(hydroxymethyl)piperidin-1-yl]methanone (CAS 1094301-19-5)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com