1,3-Bis(4-fluorophenyl)-5-(p-tolyl)-4,5-dihydro-1H-pyrazole CAS 343374-71-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 343374-71-0 |
| Molecular Formula | C22H18F2N2 |
| Molecular Weight | 348.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Bis(4-fluorophenyl)-5-(p-tolyl)-4,5-dihydro-1H-pyrazole (CAS 343374-71-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C22H18F2N2. Molecular weight: 348.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C22H18F2N2 |
| Molecular Weight | 348.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Bis Standards
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- 1-(4-Fluorophenyl)-4-(4-(5-fluoropyrimidin-2-yl)piperazin-1-yl)butan-1-ol (CAS 105565-56-8)
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- Ethyl 6-(4-fluorophenyl)-8-methyl-4-oxo-3,4-dihydro-2H,6H-pyrimido[2,1-b][1,3]thiazine-7-carboxylate (CAS 254433-14-2)
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Recommended Standards
- 1-(tert-Butyl) 2-methyl (2S,4R)-4-benzamidopyrrolidine-1,2-dicarboxylate (CAS 943134-37-0)
- 12-Phenylbenzo[c]phenanthrene-5-carboxylic acid (CAS 887572-36-3)
- 1-(Naphthalen-2-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-en-1-one (CAS 944443-39-4)
- (4-Chloro-3-(diethylcarbamoyl)phenyl)boronic acid (CAS 871332-68-2)
- Ibutamoren (CAS 159634-47-6)
- (S)-2-Amino-N-(4-fluorobenzyl)-N-isopropyl-3-methylbutanamide (CAS 1354009-84-9)
- 3-Azetidinyl 3-bromo[1,1-biphenyl]-4-yl ether (CAS 1219960-71-0)
- Ac-Asp-Glu-Val-Asp-AFC (CAS 201608-14-2)
- N-(tert-Butyl)-6-chloropyridine-3-sulfonamide (CAS 622797-98-2)
- Semaglutide Impurity 5 (CAS 23406-82-8)
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