(11,16-Dihydro-5H-6,10-(metheno)fluoreno[4,5-bcd][1,6]dioxacyclotridecine-16,16-diyl)bis(diphenylphosphine) CAS 331768-74-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331768-74-2 |
| Molecular Formula | C45H34O2P2 |
| Molecular Weight | 668.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (11,16-Dihydro-5H-6,10-(metheno)fluoreno[4,5-bcd][1,6]dioxacyclotridecine-16,16-diyl)bis(diphenylphosphine) (CAS 331768-74-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C45H34O2P2. Molecular weight: 668.70 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C45H34O2P2 |
| Molecular Weight | 668.70 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 29.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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Recommended Standards
- Cyclo(-D-Tyr-Arg-Gly-Asp-Cys(carboxymethyl)-OH) sulfoxide (CAS 143120-27-8)
- Famciclovir Impurity 19 (CAS 1797985-90-0)
- Tetraethylammoniumbenzoate (CAS 16909-22-1)
- ethyl pyridazine-3-carboxylate (CAS 1126-10-9)
- methyl 2,4-dioxo-4-phenylbutanoate (CAS 20577-73-5)
- 2-Bromo-3-methoxycyclohex-2-en-1-one (CAS 85493-96-5)
- (5-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazol-3-yl)methanol (CAS 1416344-91-6)
- 4-Aminopicolinimidamide dihydrochloride (CAS 1443980-55-9)
- 2-Chloro-6-(difluoromethoxy)pyridine (CAS 1214377-45-3)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
Why CATO?
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