5,5'-Dibromo-4,4'-bis(dodecylthio)-2,2'-bithiophene CAS 2100265-59-4
| CAS No. | 2100265-59-4 |
| Molecular Formula | C32H52Br2S4 |
| Molecular Weight | 724.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-Dibromo-4,4'-bis(dodecylthio)-2,2'-bithiophene (CAS 2100265-59-4), molecular formula C32H52Br2S4 and molecular weight 724.82 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C32H52Br2S4, 5,5'-Dibromo-4,4'-bis(dodecylthio)-2,2'-bithiophene contains sulfur-containing functionality, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 724.82 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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), 5,5'-Dibromo-4,4'-bis(dodecylthio)-2,2'-bithiophene 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.
Physical & Chemical Properties
| Molecular Formula | C32H52Br2S4 |
| Molecular Weight | 724.82 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 4 |
Related Dibromo Standards
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