2,5-Diethyl-3,4-diphenylcyclopenta-2,4-dienone CAS 51932-77-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51932-77-5 |
| Molecular Formula | C21H20O |
| Molecular Weight | 288.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,5-Diethyl-3,4-diphenylcyclopenta-2,4-dienone (CAS 51932-77-5) pharmaceutical standards reference standard. Molecular formula: C21H20O. Molecular weight: 288.38 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H20O |
| Molecular Weight | 288.38 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 | 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.) | 1971 |
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Recommended Standards
- 2-[3-(3,5-dimethyl-1h-pyrazol-4-yl)adamantan-1-yl]acetic acid (CAS 512809-80-2)
- 2,2-Diethylpropane-1,3-diyl dimethanesulfonate (CAS 56472-22-1)
- 2-[5-(2-hydroxyethanesulfonyl)pentanesulfonyl]ethan-1-ol (CAS 57100-56-8)
- 287111-12-0 Dodecanoic acid-1,12-13C2 Lauric acid-1,12-13C2 (CAS 287111-12-0)
- (2S,3S,4R,5R,6S)-6-Methyltetrahydro-2H-pyran-2,3,4,5-tetraol (CAS 71116-61-5)
- 7-Cyclopropyl-1H-pyrazolo[1,5-a][1,3,5]triazin-2-one (CAS 2140326-44-7)
- 4-Bromo-6-chloro-7-methyl-1H-indole (CAS 1082040-80-9)
- 2,4-Dichloro-6-(6-chloro-2-pyridyl)-1,3,5-triazine (CAS 1446507-39-6)
- cis-3-fluorocyclopentan-1-amine (CAS 1154870-57-1)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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