| CAS No. | 6257-39-2 |
| Molecular Formula | C24H34O |
| Molecular Weight | 338.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
[1,1'-Biphenyl]-4-ol, 3,4',5-tris(1,1-dimethylethyl)- (CAS 6257-39-2), molecular formula C24H34O and molecular weight 338.53 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, [1,1'-Biphenyl]-4-ol, 3,4',5-tris(1,1-dimethylethyl)- is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), [1,1'-Biphenyl]-4-ol, 3,4',5-tris(1,1-dimethylethyl)- 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.
| Molecular Formula | C24H34O |
| Molecular Weight | 338.53 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |