3,3',5,5'-Tetrabromo-2,2'-bithiophene CAS 125143-53-5
| CAS No. | 125143-53-5 |
| Molecular Formula | C8H2Br4S2 |
| Molecular Weight | 481.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,3',5,5'-Tetrabromo-2,2'-bithiophene (CAS 125143-53-5), molecular formula C8H2Br4S2 and molecular weight 481.85 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,3',5,5'-Tetrabromo-2,2'-bithiophene (C8H2Br4S2) contains sulfur-containing functionality, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 481.85 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).
CATO manufactures 3,3',5,5'-Tetrabromo-2,2'-bithiophene 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 | C8H2Br4S2 |
| Molecular Weight | 481.85 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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.) | 1992 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Tetrabromo Standards
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- 1,3,5,7-Tetrabromo-2,6-dihydroxynaphthalene (CAS 133546-43-7)
- 1,2,4,5-Tetrabromo-3,6-bis(chloromethyl)benzene (CAS 39568-98-4)
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- 2,2',5,5'-Tetrabromo-4,4'-bipyridine (CAS 1227402-62-1)
- 2,2',4,4'-Tetrabromo-1,1'-biphenyl (CAS 66115-57-9)
- 2,2',6,6'-Tetrabromo-1,1'-biphenyl (CAS 97038-96-5)
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