| CAS No. | 39076-88-5 |
| Molecular Formula | C6H2Cl2S2 |
| Molecular Weight | 209.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 209.12 g/mol gives 2,5-Dichlorothieno[3,2-b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,5-Dichlorothieno[3,2-b]thiophene (CAS 39076-88-5) is a high-purity analytical reference standard with the molecular formula C6H2Cl2S2 and a molecular weight of 209.12 g/mol.
Based on its molecular formula C6H2Cl2S2, 2,5-Dichlorothieno[3,2-b]thiophene contains sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 209.12 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.
CATO manufactures 2,5-Dichlorothieno[3,2-b]thiophene 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.
| Molecular Formula | C6H2Cl2S2 |
| Molecular Weight | 209.12 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.) | 1968 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |