| CAS No. | 2247273-30-7 |
| Molecular Formula | C22H28Br2O2 |
| Molecular Weight | 484.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(R)-5,5'-Dibromo-3,3'-di-tert-butyl-6,6'-dimethyl-[1,1'-biphenyl]-2,2'-diol (C22H28Br2O2) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(R)-5,5'-Dibromo-3,3'-di-tert-butyl-6,6'-dimethyl-[1,1'-biphenyl]-2,2'-diol (CAS 2247273-30-7) is a high-purity analytical reference standard with the molecular formula C22H28Br2O2 and a molecular weight of 484.26 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (R)-5,5'-Dibromo-3,3'-di-tert-butyl-6,6'-dimethyl-[1,1'-biphenyl]-2,2'-diol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C22H28Br2O2 |
| Molecular Weight | 484.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |