| CAS No. | 900806-58-8 |
| Molecular Formula | C26H16S2 |
| Molecular Weight | 392.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 2,7-Diphenylbenzo[b]benzo[4,5]thieno[2,3-d]thiophene is closely related to sulfur-containing functionality, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2,7-Diphenylbenzo[b]benzo[4,5]thieno[2,3-d]thiophene (CAS 900806-58-8), a certified reference material (molecular formula C26H16S2, MW 392.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H16S2, 2,7-Diphenylbenzo[b]benzo[4,5]thieno[2,3-d]thiophene contains sulfur-containing functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 392.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 2,7-Diphenylbenzo[b]benzo[4,5]thieno[2,3-d]thiophene 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.
| Molecular Formula | C26H16S2 |
| Molecular Weight | 392.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 2 |