1,1'-Diphenyl-[1,1'-biisobenzofuran]-3,3'(1H,1'H)-dione CAS 60456-75-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 60456-75-9 |
| Molecular Formula | C28H18O4 |
| Molecular Weight | 418.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1'-Diphenyl-[1,1'-biisobenzofuran]-3,3'(1H,1'H)-dione (CAS 60456-75-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H18O4. Molecular weight: 418.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H18O4 |
| Molecular Weight | 418.44 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
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- 2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-dione (CAS 63136-74-3)
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Recommended Standards
- 1-(4-Fluorophenyl)-3-(phenylsulfonyl)-1H-pyrrolo[2,3-b]quinoxalin-2-amine (CAS 374922-43-7)
- 1,4,7,10-Tetraazacyclotridecane-1,4,7,10-tetraacetic acid (CAS 60239-20-5)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde (CAS 2459652-59-4)
- 2-chloro-3-methylpyridin-4-amine (CAS 79055-64-4)
- 3-Amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide (CAS 873389-79-8)
- tert-Butyl 3-(hydrazinomethyl)azetidine-1-carboxylate (CAS 1784837-46-2)
- Vitamin K1 Impurity 69 (CAS CATO-C4X-220769)
- 5,6-Dimethylpyrazine-2,3-dicarboxylic acid dihydrate (CAS 796046-20-3)
- 4-Bromo-3-fluoro-4'-propyl-1,1'-biphenyl (CAS 149647-66-5)
- D-Leu26-Tirzepatide (CAS CATO-CPTD788908)
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