(E,E,E)-[(12-Bromo-3,7,11-trimethyl-2,6,10-dodecatrienyl)oxy]methyl]benzene CAS 71135-56-3
| CAS No. | 71135-56-3 |
| Molecular Formula | C22H31BrO |
| Molecular Weight | 391.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(E,E,E)-[(12-Bromo-3,7,11-trimethyl-2,6,10-dodecatrienyl)oxy]methyl]benzene (CAS 71135-56-3), molecular formula C22H31BrO and molecular weight 391.38 g/mol, is a CATO reference standard with documented purity and traceability.
(E,E,E)-[(12-Bromo-3,7,11-trimethyl-2,6,10-dodecatrienyl)oxy]methyl]benzene (C22H31BrO) 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; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (E,E,E)-[(12-Bromo-3,7,11-trimethyl-2,6,10-dodecatrienyl)oxy]methyl]benzene 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.
Physical & Chemical Properties
| Molecular Formula | C22H31BrO |
| Molecular Weight | 391.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Br-containing |
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Why CATO?
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