2,5-dibromothieno[3,2-b]thiophene CAS 25121-87-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25121-87-3 |
| Molecular Formula | C6H2Br2S2 |
| Molecular Weight | 298.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-dibromothieno[3,2-b]thiophene (CAS 25121-87-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H2Br2S2. Molecular weight: 298.02 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H2Br2S2 |
| Molecular Weight | 298.02 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related dibromothieno Standards
- 3,6-Dibromothieno[3,2-b]thiophene (CAS 392662-65-6)
- 5,6-Dibromothieno[2,3-d]pyrimidine (CAS 1841081-51-3)
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Recommended Standards
- 2,5-Dibromo-thieno[2,3-b]thiophene (CAS 25121-86-2)
- 3,4-Dibromo-thieno[2,3-b]thiophene (CAS 53255-78-0)
- (4-(4-(Trifluoromethoxy)phenoxy)phenyl)boronic acid (CAS 958457-41-5)
- 2-(4-Bromo-5-(difluoromethyl)-6-methoxypyridin-3-yl)acetic acid (CAS 1805428-02-7)
- Naphtholas-lt (CAS 3689-20-1)
- Abemaciclib Impurity 91 (CAS 937605-75-9)
- 5-(Bromomethyl)quinoline hydrobromide (CAS 1562194-63-1)
- 5-Chloro-6-morpholinonicotinic acid (CAS 856167-98-1)
- 1,2-Dimethyl-1H-benzo[d]imidazol-4-ol (CAS 177477-62-2)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com