3-Chloro-5-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde CAS 154357-44-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 154357-44-5 |
| Molecular Formula | C5H2ClF3N2O |
| Molecular Weight | 198.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (CAS 154357-44-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2ClF3N2O. Molecular weight: 198.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2ClF3N2O |
| Molecular Weight | 198.53 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-chloro-6-(trifluoromethyl)-1,3,5-triazin-2-amine (CAS 1211518-11-4)
- 5-Chloro-2-(trifluoromethoxy)pyrimidine (CAS 1261432-62-5)
- 2-Chloro-3-(trifluoromethoxy)pyrazine (CAS 1261457-59-3)
- 2-Chloro-6-(trifluoromethoxy)pyrazine (CAS 1261577-13-2)
- 4-Chloro-5-(trifluoromethoxy)pyrimidine (CAS 1261629-90-6)
- 4-Chloro-6-(trifluoromethyl)pyrimidin-2-ol (CAS 1261659-06-6)
- 4-Chloro-6-(trifluoromethoxy)pyrimidine (CAS 1261738-01-5)
- 2-Chloro-5-(trifluoromethoxy)pyrimidine (CAS 1261812-52-5)
Recommended Standards
- 3-(Trifluoromethyl)-1H-pyrazole-5-carbonyl chloride (CAS 129768-29-2)
- Pyrazine Impurity 5 (CAS 1803596-66-8)
- 5-Chloro-6-(trifluoromethyl)pyrimidin-4-ol (CAS 126538-83-8)
- Methyl 3-amino-3-(3,5-dibromophenyl)propanoate (CAS 1823068-72-9)
- 6-Bromo-1-cyclopropyl-1H-indole (CAS 1897690-68-4)
- 4-Cyclopropyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one (CAS 1375142-88-3)
- (R)-2-((1-((Benzyloxy)carbonyl)piperidin-3-yl)(isopropyl)amino)acetic acid (CAS 1353994-24-7)
- 2-Amino-2-[2-[4-(8-hydroxyoctyl)phenyl]ethyl]propane-1,3-diol;hydrochloride (CAS 1346599-82-3)
- EIcosanamide (CAS 51360-63-5)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
Why CATO?
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