| CAS No. | 478404-10-3 |
| Molecular Formula | C25H36Br2S2 |
| Molecular Weight | 560.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 560.49 g/mol gives 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (CAS 478404-10-3), molecular formula C25H36Br2S2 and molecular weight 560.49 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (C25H36Br2S2) contains sulfur-containing functionality, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 560.49 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.
As a certified reference material (CRM), 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene 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 | C25H36Br2S2 |
| Molecular Weight | 560.49 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |