4-((2,6-Difluoro-4-propylphenyl)ethynyl)-4'-ethyl-1,1'-biphenyl CAS 221526-78-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 221526-78-9 |
| Molecular Formula | C25H22F2 |
| Molecular Weight | 360.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((2,6-Difluoro-4-propylphenyl)ethynyl)-4'-ethyl-1,1'-biphenyl (CAS 221526-78-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C25H22F2. Molecular weight: 360.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H22F2 |
| Molecular Weight | 360.44 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 chloroform, dichloromethane, ethyl acetate |
| 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.) | 2020 |
| Halogen Content | F-containing |
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Recommended Standards
- 20-Hydroxy Prednisone (Mixture of Diastereomers) (CAS 2899-94-7)
- 4-((4-Ethyl-2,6-difluorophenyl)ethynyl)-4'-propyl-1,1'-biphenyl (CAS 221526-72-3)
- 20(R)-Hydroxy Prednisone (CAS 600-92-0)
- 2-Ethyl-5-oxo-5,6,7,8-tetrahydroimidazo[1,5-c]pyrimidin-2-ium iodide (CAS 615578-62-6)
- 4-Methoxy-N-(2-methyl-3-(5-methylbenzo[d]oxazol-2-yl)phenyl)-3-nitrobenzamide (CAS 331447-61-1)
- 3,3-Diallyl-3lambda5-[1,1'-biphenyl]-4,4'-diol (CAS 6942-01-4)
- 2-{(E)-[3,5-Di(tert-butyl)-4-hydroxyphenyl]methylidene}-1-hydrazinecarbothioamide (CAS 1808993-44-3)
- Methyl 3-hydroxytetrahydro-2H-pyran-4-carboxylate (CAS 1510045-74-5)
- 2-(4-methoxyphenyl)propan-1-ol (CAS 27877-68-5)
- Tau Peptide (512-525) amide trifluoroacetate salt (CAS 2022956-61-0)
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