Di(9,9'-spirobi[fluoren]-2-yl)(phenyl)phosphine oxide CAS 824426-27-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 824426-27-9 |
| Molecular Formula | C56H35OP |
| Molecular Weight | 754.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Di(9,9'-spirobi[fluoren]-2-yl)(phenyl)phosphine oxide (CAS 824426-27-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C56H35OP. Molecular weight: 754.85 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C56H35OP |
| Molecular Weight | 754.85 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 39.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Di Standards
- 4,4',4",4"'-(9,9'-Spirobi[fluorene]-2,2',7,7'-tetrayl)tetrabenzoic acid (CAS 1350363-07-3)
- 9,9′-Spirobi[9H-fluorene]-2,2′-diamine, N2,N2,N2′,N2′-tetrakis(4-methylphenyl)- (CAS 515833-76-8)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-di([1,1':3',1''-terphenyl]-5'-yl)-1,3,5-triazine (CAS 1233200-52-6)
- 4,4''-Bi(9,9'-spirobi[fluorene]) (CAS 1161009-90-0)
- 9,9'-Spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester (CAS 676168-63-1)
- 2,2'':7'',2''''-Ter-9,9'-spirobi[9H-fluorene] (CAS 518997-91-6)
- 2-(9,9'-Spirobi[fluoren]-2-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1207176-84-8)
- 9,9'-Spirobi[fluoren]-2-yldiphenylphosphine oxide (CAS 1125547-88-7)
Recommended Standards
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- 2,4-Dichloro-5-methoxybenzoic acid (CAS 71685-44-4)
- 4-Ethynylbenzo-15-crown-5 (CAS 92710-94-6)
- tert-Butyl ((1-(2,3-dihydrobenzo[b][1,4]dioxine-2-carbonyl)piperidin-2-yl)methyl)carbamate (CAS 1353948-19-2)
- (Phenylsulfonyl)-l-tryptophan (CAS 149586-34-5)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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