| CAS No. | 256342-39-9 |
| Molecular Formula | C26H18S2 |
| Molecular Weight | 394.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 394.55 g/mol gives 1,4-Bis(5-phenylthiophen-2-yl)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1,4-Bis(5-phenylthiophen-2-yl)benzene (CAS 256342-39-9), a certified reference material (molecular formula C26H18S2, MW 394.55 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H18S2, 1,4-Bis(5-phenylthiophen-2-yl)benzene contains sulfur-containing functionality, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 394.55 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1,4-Bis(5-phenylthiophen-2-yl)benzene 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 | C26H18S2 |
| Molecular Weight | 394.55 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 2 |