4,5,6,7-Tetraphenylisobenzofuran-1,3-dione CAS 4741-53-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4741-53-1 |
| Molecular Formula | C32H20O3 |
| Molecular Weight | 452.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5,6,7-Tetraphenylisobenzofuran-1,3-dione (CAS 4741-53-1) pharmaceutical standards reference standard. Molecular formula: C32H20O3. Molecular weight: 452.50 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C32H20O3 |
| Molecular Weight | 452.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Tetraphenylisobenzofuran Standards
Recommended Standards
- 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-(tert-Butoxycarbonyl)piperazine-2-carboxylicacid (CAS 218278-58-1)
- Benzyl (2-((S)-2-(((S)-1-amino-1-oxo-3-phenylpropan-2-yl)carbamoyl)pyrrolidin-1-yl)-2-oxoethyl)carbamate (CAS 61867-02-5)
- 3,4-Difluoro-N-[(1S)-1-[6-[4-(2-pyridinyl)-1-piperazinyl]-2-pyrazinyl]ethyl]benzenepropanamide (CAS 2244989-34-0)
- tert-Butyl (S,E)-3-(tetrahydrofuran-2-yl)acrylate (CAS 2864361-57-7)
- 2-((5-Amino-3-ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)amino)ethanol (CAS 6338-82-5)
- 5-Ethyl-1-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (CAS 2763158-74-1)
- 55934-93-5 K0N34Z34O8 Tripropylene glycol n-butyl ether ((Butoxymethylethoxy)methylethoxy)propan-1-ol Propanol, (2-(2-butoxymethylethoxy)methylethoxy)- EINECS 259-910-3 Tripropylene glycol butyl ether Dowanol TPnB UNII-K0N34Z34O8 EC 259-910-3 (CAS 55934-93-5)
- Sucrose Octabenzoate (CAS 12738-64-6)
- Ethyl 2-(5-morpholino-2H-tetrazol-2-yl)acetate (CAS 175205-05-7)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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