4-Ketoretinal CAS 33532-44-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33532-44-4 |
| Molecular Formula | C20H26O2 |
| Molecular Weight | 298.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Ketoretinal (CAS 33532-44-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H26O2. Molecular weight: 298.42 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H26O2 |
| Molecular Weight | 298.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- 4-Decylidene-3-phenyl-1H-pyrazol-5(4H)-one (CAS 834898-64-5)
- 9-Butyl-9-phenyl-9H-fluorene (CAS 88223-33-0)
- 4-[2-(4-Hydroxy-3-methylphenyl)-4-methylpentan-2-yl]-2-methylphenol (CAS 50628-55-2)
- 4-Fluoro-N-isobutylbenzo[d]isoxazol-3-amine (CAS 1344701-84-3)
- 6-Butyl-2-(1-methoxyethyl)pyrimidin-4-amine (CAS 1708437-49-3)
- Nintedanib Impurity 105 (CAS CATO-C4X-1814105)
- Canagliflozin Impurity 77 (CAS CATO-C4X-112377)
- 1-(4-Methoxy-3-nitrobenzenesulfonyl)piperazine (CAS 524711-18-0)
- 4-Ethynyl-2-isopropoxy-1-methoxybenzene (CAS 439585-86-1)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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