4-Bromo-6-chloro-3-(difluoromethyl)pyridine-2-sulfonyl chloride CAS 1804658-16-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1804658-16-9 |
| Molecular Formula | C6H2BrCl2F2NO2S |
| Molecular Weight | 340.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-6-chloro-3-(difluoromethyl)pyridine-2-sulfonyl chloride (CAS 1804658-16-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H2BrCl2F2NO2S. Molecular weight: 340.96 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H2BrCl2F2NO2S |
| Molecular Weight | 340.96 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1995 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-3-chloro-2-(difluoromethyl)pyridine-6-sulfonyl chloride (CAS 1805006-44-3)
- 4-Bromo-2-chloro-5-(difluoromethyl)pyridine-3-sulfonyl chloride (CAS 1806845-64-6)
- 4-Bromo-2-chloro-6-(difluoromethyl)pyridine-3-sulfonyl chloride (CAS 1806845-67-9)
- 4-Bromo-3-chloro-6-(difluoromethyl)pyridine-2-sulfonyl chloride (CAS 1806845-70-4)
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Recommended Standards
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- 2,4-Dichloro-1-(trifluoromethyl)benzene (CAS 320-60-5)
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- 2-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)acetamide (CAS 3608-86-4)
- 2-(2-(2,6-Dimethylmorpholino)ethoxy)benzaldehyde (CAS 915920-98-8)
- (1H-Pyrazolo[4,3-b]pyridin-5-yl)methanamine (CAS 1260666-18-9)
- 5-Isobutyl-4-(morpholinomethyl)furan-2-carboxylic acid (CAS 883544-40-9)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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