| CAS No. | 5058-43-5 |
| Molecular Formula | C8H8S4 |
| Molecular Weight | 232.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 232.41 g/mol gives (E)-4,4'-Dimethyl-2,2'-bi(1,3-dithiolylidene) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-4,4'-Dimethyl-2,2'-bi(1,3-dithiolylidene) (CAS 5058-43-5) is a high-purity analytical reference standard with the molecular formula C8H8S4 and a molecular weight of 232.41 g/mol.
The molecular framework of (E)-4,4'-Dimethyl-2,2'-bi(1,3-dithiolylidene) (C8H8S4) is characterized by sulfur-containing functionality, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures (E)-4,4'-Dimethyl-2,2'-bi(1,3-dithiolylidene) 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 | C8H8S4 |
| Molecular Weight | 232.41 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 4 |