5-Bromobenzene-1,3-dithiol CAS 1219501-75-3
| CAS No. | 1219501-75-3 |
| Molecular Formula | C6H5BrS2 |
| Molecular Weight | 221.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-Bromobenzene-1,3-dithiol (CAS 1219501-75-3), molecular formula C6H5BrS2 and molecular weight 221.14 g/mol, is a CATO reference standard with documented purity and traceability.
5-Bromobenzene-1,3-dithiol (C6H5BrS2) contains sulfur-containing functionality, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5BrS2 |
| Molecular Weight | 221.14 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Bromobenzene Standards
- 2-Bromobenzene isothiocyanate (CAS 13037-60-0)
- methyl 3-bromobenzene-1-carboximidate (CAS 785719-23-5)
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- 5-Bromobenzene-1,2,3-triol (CAS 16492-75-4)
- 4-Bromobenzene-1,2,3-triol (CAS 17345-72-1)
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- 3-Bromobenzene-1,2,4-triol (CAS 99910-88-0)
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Recommended Standards
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