| CAS No. | 1799407-28-5 |
| Molecular Formula | C25H37BrOS2 |
| Molecular Weight | 497.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
5'-Bromo-3',4-dioctyl-[2,2'-bithiophene]-5-carbaldehyde (CAS 1799407-28-5) is a high-purity analytical reference standard with the molecular formula C25H37BrOS2 and a molecular weight of 497.59 g/mol.
Owing to a steroid core, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, 5'-Bromo-3',4-dioctyl-[2,2'-bithiophene]-5-carbaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 497.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 5'-Bromo-3',4-dioctyl-[2,2'-bithiophene]-5-carbaldehyde 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 | C25H37BrOS2 |
| Molecular Weight | 497.59 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |