3,5-Bis(4-fluorophenyl)-4-methyl-1h-pyrazole CAS 1159939-59-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1159939-59-9 |
| Molecular Formula | C16H12F2N2 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,5-Bis(4-fluorophenyl)-4-methyl-1h-pyrazole (CAS 1159939-59-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H12F2N2. Molecular weight: 270.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H12F2N2 |
| Molecular Weight | 270.28 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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- 2-(4-Fluorophenyl)-3-methyl-2,7-naphthyridine-1,8(2H,7H)-dione (CAS 1426957-22-3)
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Recommended Standards
- 2-([1,1'-Biphenyl]-4-ylmethyl)malonic acid (CAS 115369-83-0)
- 7-(tert-Butoxycarbonyl)-1-oxa-2,7-diazaspiro[4.4]non-2-ene-3-carboxylic acid (CAS 1160247-02-8)
- n-(4-Nitrophenyl)-3,4-dihydro-2h-1-benzopyran-4-amine (CAS 1152610-85-9)
- 2-(4-(Isopropylthio)phenyl)-N-((1-(thiophen-2-yl)cyclopropyl)methyl)acetamide (CAS 1210882-72-6)
- 3-Ethyl-1-propyl-8-(1-((6-(trifluoromethyl)pyridin-3-yl)methyl)-1H-pyrazol-4-yl)-3,9-dihydro-1H-purine-2,6-dione (CAS 631914-03-9)
- 1-(3-Bromo-2-(bromomethyl)propyl)-4-chlorobenzene (CAS 1046446-10-9)
- 1-(4-methylpentyl)piperidin-4-amine dihydrochloride (CAS 1955557-38-6)
- Toluene D8 (CAS 2037-21-5)
- 4-(2-(3,4-Dichlorophenyl)-1H-imidazol-1-yl)piperidine (CAS 1447961-49-0)
- Tirzepatide Impurity 9 (CAS CATO-C4X-32409)
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