4-Chloro-N-(9H-fluoren-9-ylidene)aniline CAS 5455-00-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5455-00-5 |
| Molecular Formula | C19H12ClN |
| Molecular Weight | 289.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-N-(9H-fluoren-9-ylidene)aniline (CAS 5455-00-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H12ClN. Molecular weight: 289.76 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H12ClN |
| Molecular Weight | 289.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Chloro-2-phenyl-5-(piperidin-1-yl)pyridazin-3(2H)-one (CAS 5376-21-6)
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- 3-Chloro-4-cyclohexyl-1-phenyl-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 943121-83-3)
- 1,2-Bis(2,4-dichlorophenyl)ethane-1,2-diamine (CAS 618092-20-9)
- 3,5,5-Trimethylhexanal Oxime (CAS 138915-31-8)
- (S)-Methyl 2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)propanoate (CAS 832127-84-1)
- Methyl 3-ethynyl-5-fluorobenzoate (CAS 914944-24-4)
- 4-(2-Amino-4-thiazolyl)phenol (CAS 57634-55-6)
- 3,5-Dibromo-2-(2,5-dimethyl-1H-pyrrol-1-yl)-4-methylpyridine (CAS 1704097-59-5)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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