4-Fluoro-N,N-diphenylaniline CAS 437-25-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 437-25-2 |
| Molecular Formula | C18H14FN |
| Molecular Weight | 263.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Fluoro-N,N-diphenylaniline (CAS 437-25-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H14FN. Molecular weight: 263.31 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H14FN |
| Molecular Weight | 263.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Aminophenyl 4-methylbenzenesulfonate (CAS 3899-93-2)
- 4-HYdroxy-n-(4-methylphenyl)benzene-1-sulfonamide (CAS 76410-74-7)
- 4-(O-tolyloxy)benzenesulfonamide (CAS 342612-91-3)
- 2-(3-Methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazole-4-carboxylic acid (CAS 449778-74-9)
- tert-Butyl 3-(chloromethyl)-4-methylphenylcarbamate (CAS 1211511-27-1)
- 1-Oxoisoindoline-2-carbonyl chloride (CAS 74572-58-0)
- Methyl 5-(2-chlorophenyl)nicotinate (CAS 893734-64-0)
- Ethyl 2-[2-(aminocarbonyl)hydrazono]-3-[(4-chlorophenyl)sulfanyl]propanoate (CAS 886361-57-5)
- Tofacitinib Nitroso Impurity 188 (CAS CATO-C4X-1079188)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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