3-[(Difluoromethyl)sulfonyl]bromobenzene CAS 51679-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51679-56-2 |
| Molecular Formula | C7H5BrF2O2S |
| Molecular Weight | 271.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-[(Difluoromethyl)sulfonyl]bromobenzene (CAS 51679-56-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5BrF2O2S. Molecular weight: 271.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5BrF2O2S |
| Molecular Weight | 271.08 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | F/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Bromo-5-fluoro-1,1a,6,6a-tetrahydrocyclopropa[a]indene-1-carboxylic acid (CAS 2060050-06-6)
- 4-Bromo-1-isopropyl-5-methyl-3-(trifluoromethyl)-1H-pyrazole (CAS 2090575-11-2)
- 2,6-dichloro-3-nitrobenzene-1-sulfonamide (CAS 89281-19-6)
- 6-(4-Methoxybenzyl)-2-(methylthio)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-ol (CAS 1112098-60-8)
- (4aR,7aS)-2,3,4,4a,5,6,7,7a-octahydrocyclopenta[b][1,4]oxazine;hydrochloride (CAS 1820580-89-9)
- 2-Chloro-3,4-dimethoxypyridine hydrochloride (CAS 352534-78-2)
- 2-methyl-2-[(methylcarbamoyl)amino]propanoic acid (CAS 953739-05-4)
- (trans-4-(Hydroxymethyl)cyclohexyl)methyl 4-methylbenzenesulfonate (CAS 170811-08-2)
- 1,1,2,2-Tetrakis(4-(bromomethyl)phenyl)ethene (CAS 67448-47-9)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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