19742-92-8 3,3'-Dichlorodiphenyl disulfide C12H8Cl2S2 L402 CAS 19742-92-8
| CAS No. | 19742-92-8 |
| Molecular Formula | C12H8Cl2S2 |
| Molecular Weight | 287.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 19742-92-8 3,3'-Dichlorodiphenyl disulfide C12H8Cl2S2 L402 (C12H8Cl2S2) contains sulfur-containing functionality, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 287.23 g/mol, it falls into the medium-molecular-weight range. 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).
19742-92-8 3,3'-Dichlorodiphenyl disulfide C12H8Cl2S2 L402 (CAS 19742-92-8) is a high-purity analytical reference standard with the molecular formula C12H8Cl2S2 and a molecular weight of 287.23 g/mol.
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), 19742-92-8 3,3'-Dichlorodiphenyl disulfide C12H8Cl2S2 L402 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.
Physical & Chemical Properties
| Molecular Formula | C12H8Cl2S2 |
| Molecular Weight | 287.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Dichlorodiphenyl Standards
Recommended Standards
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- Landiolol Impurity 93 (CAS CATO-C4X-262193)
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