2-Bromo-3,5-difluorobenzenethiol CAS 1349718-49-5
| CAS No. | 1349718-49-5 |
| Molecular Formula | C6H3BrF2S |
| Molecular Weight | 225.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-3,5-difluorobenzenethiol 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.
2-Bromo-3,5-difluorobenzenethiol (CAS 1349718-49-5) is a high-purity analytical reference standard with the molecular formula C6H3BrF2S and a molecular weight of 225.05 g/mol.
Based on its molecular formula C6H3BrF2S, 2-Bromo-3,5-difluorobenzenethiol contains sulfur-containing functionality, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 225.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C6H3BrF2S |
| Molecular Weight | 225.05 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.) | 1991 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-5-(1H-pyrazol-1-yl)pyrazine (CAS 1159816-09-7)
- 4-Bromo-3,5-difluorothiophenol (CAS 1160575-05-2)
- 2-(4-Bromo-1h-pyrazol-1-yl)pyrazine (CAS 1183521-48-3)
- 4-Bromo-2,6-difluorobenzenethiol (CAS 1188368-59-3)
- 4-Bromo-2,5-difluorobenzene-1-thiol (CAS 1208075-22-2)
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- 4-(4-Bromo-1h-pyrazol-1-yl)pyrimidine (CAS 1248031-16-4)
Recommended Standards
- 4-Bromo-2,3-difluorobenzenethiol (CAS 1349716-82-0)
- 3-Bromo-2,5-difluorobenzenethiol (CAS 1349718-58-6)
- 3-Bromo-4,5-difluorobenzenethiol (CAS 1349715-90-7)
- 2-Bromo-5,6-difluorobenzenethiol (CAS 1349719-14-7)
- Bis(3,4,5-trimethylphenyl)amine (CAS 869496-92-4)
- 5-Bromo-2-cyclopropyl-1H-pyrrolo[2,3-b]pyridine (CAS 1534381-80-0)
- 4-Bromo-2-methyl-n-propylbenzamide (CAS 1344291-11-7)
- 1,2,5,6-Tetramethyl-1H-imidazo[4,5-b]pyrazine (CAS 61982-44-3)
- 1-(3,4-Dimethylbenzenesulfonyl)piperidine-4-carboxylic acid (CAS 727983-31-5)
- 2-Bromo-3-(phenoxymethyl)benzofuran (CAS 88879-45-2)
- 5-Bromo-3-methylindole (CAS 10075-48-6)
- 4-(Difluoromethyl)-5-iodo-3-methoxypicolinamide (CAS 1804865-52-8)
- Azetidine-3-sulfonyl fluoride (CAS 1909305-41-4)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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