3-Bromo-2,3'-bithiophene CAS 28686-98-8
| CAS No. | 28686-98-8 |
| Molecular Formula | C8H5BrS2 |
| Molecular Weight | 245.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-2,3'-bithiophene is closely related to sulfur-containing functionality, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-2,3'-bithiophene (CAS 28686-98-8) is a high-purity analytical reference standard with the molecular formula C8H5BrS2 and a molecular weight of 245.16 g/mol.
Based on its molecular formula C8H5BrS2, 3-Bromo-2,3'-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 245.16 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Bromo-2,3'-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 | C8H5BrS2 |
| Molecular Weight | 245.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1965 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Bromo Standards
- 4-Bromo-2,2'-bithiophene (CAS 112051-56-6)
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- 3-Bromo-2,2'-bithiophene (CAS 19690-69-8)
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Recommended Standards
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- 3-Ethynyl-5-methylpyridin-2-amine (CAS 863479-77-0)
- 2-Methoxy-5-methyl-4-(piperidin-3-yl)pyrimidine (CAS 1207174-94-4)
- 2-Methoxy-5-(trifluoromethyl)benzene-1,3-diamine (CAS 71352-64-2)
- 3-((4-Chlorophenyl)amino)cyclohex-2-en-1-one (CAS 36646-75-0)
- (3AS,5S,6R,6aS)-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde (CAS 867266-31-7)
- Bis(2-(2-methylheptan-2-yl)phenyl)amine (CAS 1956318-76-5)
- Des-Tyr10-Tirzepatide (CAS CATO-CPTD788680)
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