| CAS No. | 287919-00-0 |
| Molecular Formula | C19H30Br2O2 |
| Molecular Weight | 450.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 450.25 g/mol gives 2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene (CAS 287919-00-0), molecular formula C19H30Br2O2 and molecular weight 450.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,5-Bis(bromomethyl)-1-methoxy-4-(3′,7′-dimethyloctyloxy)benzene (C19H30Br2O2) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 450.25 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).
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.
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.
| Molecular Formula | C19H30Br2O2 |
| Molecular Weight | 450.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |