3-(3,5-Bis(trifluoromethyl)phenyl)-1H-pyrazole CAS 154258-54-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 154258-54-5 |
| Molecular Formula | C11H6F6N2 |
| Molecular Weight | 280.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3,5-Bis(trifluoromethyl)phenyl)-1H-pyrazole (CAS 154258-54-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H6F6N2. Molecular weight: 280.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H6F6N2 |
| Molecular Weight | 280.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 1-(3,5-Bis(trifluoromethyl)phenyl)-1H-imidazole (CAS 1088567-34-3)
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- 3-(3,5-Bis(trifluoromethyl)phenyl)furan (CAS 918625-96-4)
- 5,7-Bis(trifluoromethyl)quinolin-4-amine (CAS 874880-23-6)
- 3-phenyl-4-(trifluoromethyl)isoxaZolo[5,4-b]pyridin-6(7h)-one (CAS 1018047-90-9)
- 3-(Trifluoromethyl)-1H-benzo[g]indazole-5-carboxylic acid (CAS 1065076-42-7)
- 3-Phenyl-7-(trifluoromethyl)-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4-amine (CAS 1338218-84-0)
- 1-[3-(trifluoromethyl)phenyl]-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 949654-67-5)
Recommended Standards
- ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-ene-1-carboxylate (CAS 1536395-80-8)
- 3-Methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butan-2-ol (CAS 1578484-18-0)
- (E)-4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)vinyl)-1,3,2-dioxaborolane (CAS 149777-87-7)
- 5-[(3-Chloro-1-benzothiophen-2-yl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 477868-40-9)
- N’-hydroxy-2-phenoxypyridine-3-carboximidamide (CAS 1016752-79-6)
- HJC 0350 (CAS 885434-70-8)
- Ethyl 3-(1H-pyrrol-3-yl)acrylate (CAS 123530-69-8)
- rac-cis Despropionyl Mefentanyl N-Trifluoroacetic Acid Salt (CAS 144480-17-1)
- N-(2-(1H-indol-3-yl)ethyl)-3-amino-3-thioxopropanamide (CAS 885372-13-4)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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