22-Bromo-2,5,8,11,14,17,20-heptaoxadocosane CAS 104518-25-4
| CAS No. | 104518-25-4 |
| Molecular Formula | C15H31BrO7 |
| Molecular Weight | 403.31 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.
22-Bromo-2,5,8,11,14,17,20-heptaoxadocosane (CAS 104518-25-4) is a high-purity analytical reference standard with the molecular formula C15H31BrO7 and a molecular weight of 403.31 g/mol.
Based on its molecular formula C15H31BrO7, 22-Bromo-2,5,8,11,14,17,20-heptaoxadocosane contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 403.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 22-Bromo-2,5,8,11,14,17,20-heptaoxadocosane 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 | C15H31BrO7 |
| Molecular Weight | 403.31 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
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