| CAS No. | 25121-88-4 |
| Molecular Formula | C6HBr3S2 |
| Molecular Weight | 376.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 376.91 g/mol gives 2,3,5-Tribromothieno[3,2-b]thiophene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,3,5-Tribromothieno[3,2-b]thiophene (CAS 25121-88-4), molecular formula C6HBr3S2 and molecular weight 376.91 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6HBr3S2, 2,3,5-Tribromothieno[3,2-b]thiophene 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 376.91 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2,3,5-Tribromothieno[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 | C6HBr3S2 |
| Molecular Weight | 376.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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 |