2-(3,4-Difluorophenyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one CAS 1265476-56-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1265476-56-9 |
| Molecular Formula | C10H5F5N2O |
| Molecular Weight | 264.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(3,4-Difluorophenyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 1265476-56-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H5F5N2O. Molecular weight: 264.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H5F5N2O |
| Molecular Weight | 264.15 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluorophenyl Standards
- 3-(3,5-Difluorophenyl)-5-methoxybenzoic acid (CAS 1261903-90-5)
- 2-(5-(2,4-Difluorophenyl)furan-2-yl)cyclopropanecarboxylic acid (CAS 1315372-83-8)
- 2-[(2,4-Difluorophenyl)methoxy]benzoic acid (CAS 926025-96-9)
- N1-(2,4-difluorophenyl)-3-bromopropanamide (CAS 647824-44-0)
- Ethyl 2-(3,5-difluorophenyl)pyrimidine-5-carboxylate (CAS 1245052-19-0)
- 1-(2,3-difluorophenyl)-1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 1283628-49-8)
- 1-(2,4-difluorophenyl)-1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 926265-67-0)
- 1-(3,4-Difluorophenyl)-1h,4h,5h,6h-cyclopenta[c]pyrazole-3-carboxylic acid (CAS 926219-23-0)
Recommended Standards
- tert-Butyl 2-bromothiazole-4-carboxylate (CAS 947407-89-8)
- 3-(Methoxycarbonyl)-5-(trifluoromethoxy)benzoic acid (CAS 1296649-20-1)
- n-[(3-bromophenyl)methyl]methanesulfonamide (CAS 885681-65-2)
- 4-(Chloromethyl)oxazole-2-carbaldehyde (CAS 1240600-98-9)
- Ethyl 2,3-Dihydroindene-1-acetate (CAS 22339-45-3)
- 2-Amino-4-hydroxybenzoic acid hydrochloride (CAS 878747-47-8)
- Isobutyl Nitrite (CAS 542-56-3)
- 4-((2-Ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)benzoic acid (CAS 1401728-86-6)
- 4-(2-(2-Oxobenzo[d]oxazol-3(2H)-yl)ethoxy)benzaldehyde (CAS 142649-91-0)
- Tirzepatide Impurity 47 (CAS CATO-C4X-324047)
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