| CAS No. | 2401894-65-1 |
| Molecular Formula | C18H33BrO4Si2 |
| Molecular Weight | 449.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 449.53 g/mol gives (((((3-Bromo-1,2-phenylene)bis(oxy))bis(methylene))bis(oxy))bis(ethane-2,1-diyl))bis(trimethylsilane) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(((((3-Bromo-1,2-phenylene)bis(oxy))bis(methylene))bis(oxy))bis(ethane-2,1-diyl))bis(trimethylsilane) (CAS 2401894-65-1), molecular formula C18H33BrO4Si2 and molecular weight 449.53 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (((((3-Bromo-1,2-phenylene)bis(oxy))bis(methylene))bis(oxy))bis(ethane-2,1-diyl))bis(trimethylsilane) (C18H33BrO4Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 449.53 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), (((((3-Bromo-1,2-phenylene)bis(oxy))bis(methylene))bis(oxy))bis(ethane-2,1-diyl))bis(trimethylsilane) 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 | C18H33BrO4Si2 |
| Molecular Weight | 449.53 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Br-containing |