(9,9-Dicyclohexyl-9H-fluoren-2-yl)boronic acid CAS 768398-92-1
| CAS No. | 768398-92-1 |
| Molecular Formula | C25H31BO2 |
| Molecular Weight | 374.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (9,9-Dicyclohexyl-9H-fluoren-2-yl)boronic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(9,9-Dicyclohexyl-9H-fluoren-2-yl)boronic acid (CAS 768398-92-1) is a high-purity analytical reference standard with the molecular formula C25H31BO2 and a molecular weight of 374.32 g/mol.
Structurally, (9,9-Dicyclohexyl-9H-fluoren-2-yl)boronic acid (C25H31BO2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.5, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 374.32 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.
Physical & Chemical Properties
| Molecular Formula | C25H31BO2 |
| Molecular Weight | 374.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
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