2,3,7,8-Tetrachlorodibenzo[b,d]thiophene CAS 133513-17-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133513-17-4 |
| Molecular Formula | C12H4Cl4S |
| Molecular Weight | 322.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3,7,8-Tetrachlorodibenzo[b,d]thiophene (CAS 133513-17-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H4Cl4S. Molecular weight: 322.04 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H4Cl4S |
| Molecular Weight | 322.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Tetrachlorodibenzo Standards
- 3,4,6,7-Tetrachlorodibenzo[b,d]thiophene (CAS 133513-18-5)
- 2,3,6,7-Tetrachlorodibenzo[b,d]thiophene (CAS 133513-19-6)
- 2,4,6,8-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-49-0)
- 1,4,6,9-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-50-3)
- 1,3,7,9-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-51-4)
- 1,3,7,8-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-52-5)
- 1,2,6,9-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-53-6)
- 1,2,8,9-Tetrachlorodibenzo[b,d]thiophene (CAS 134705-54-7)
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