1,1'-Binaphthyl-2,2'-dithiol CAS 102555-71-5
| CAS No. | 102555-71-5 |
| Molecular Formula | C20H14S2 |
| Molecular Weight | 318.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1,1'-Binaphthyl-2,2'-dithiol (C20H14S2) contains sulfur-containing functionality, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 318.46 g/mol, it falls into the moderately-high-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).
1,1'-Binaphthyl-2,2'-dithiol (CAS 102555-71-5) is a high-purity analytical reference standard with the molecular formula C20H14S2 and a molecular weight of 318.46 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), 1,1'-Binaphthyl-2,2'-dithiol 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 | C20H14S2 |
| Molecular Weight | 318.46 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Sulfur Atoms | 2 |
Related Binaphthyl Standards
- (S)-1,1'-Binaphthyl-2,2'-dithiol (CAS 124414-36-4)
- (R)-1,1'-Binaphthyl-2,2'-dithiol (CAS 124414-37-5)
- (R)-1,1'-Binaphthyl-2,2'-dicarboxylic acid (CAS 80703-23-7)
- 1,1＇-Binaphthyl-2,2＇-diyl hydrogenphosphate (CAS 35193-63-6)
- 2,2′-Binaphthyl-d14 (CAS 210487-05-1)
- 1,1＇-Binaphthyl (CAS 604-53-5)
- 2,2＇-Binaphthyl (CAS 612-78-2)
- (R)-1,1'-Binaphthyl-2,2'-disulfonic acid (CAS 1092934-18-3)
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