2-Hydroxy-2’-(diphenylphosphino)-1,1’-binaphthalene CAS 199796-91-3
| CAS No. | 199796-91-3 |
| Molecular Formula | C32H23OP |
| Molecular Weight | 454.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 454.50 g/mol gives 2-Hydroxy-2’-(diphenylphosphino)-1,1’-binaphthalene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Hydroxy-2’-(diphenylphosphino)-1,1’-binaphthalene (CAS 199796-91-3), molecular formula C32H23OP and molecular weight 454.50 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Hydroxy-2’-(diphenylphosphino)-1,1’-binaphthalene (C32H23OP) contains organophosphorus functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 21.5, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 454.50 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C32H23OP |
| Molecular Weight | 454.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 21.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
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