2,5-Difluoro-4-nitrobenzenesulfonamide CAS 1807193-16-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1807193-16-3 |
| Molecular Formula | C6H4F2N2O4S |
| Molecular Weight | 238.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Difluoro-4-nitrobenzenesulfonamide (CAS 1807193-16-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4F2N2O4S. Molecular weight: 238.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4F2N2O4S |
| Molecular Weight | 238.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluoro Standards
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- 2,3-Difluoro-5-nitrobenzenesulfonamide (CAS 1342407-33-3)
- 3,4-Difluoro-5-nitrobenzenesulfonamide (CAS 1803826-57-4)
- 4,5-Difluoro-2-nitrobenzenesulfonamide (CAS 1803870-61-2)
- 3,5-Difluoro-4-nitrobenzenesulfonamide (CAS 1804516-06-0)
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- 3-(2,5-Difluoro-4-(trifluoromethyl)phenyl)propanal (CAS 1036396-41-4)
- 3-(2,3-Difluoro-4-(trifluoromethyl)phenyl)propanal (CAS 955403-61-9)
Recommended Standards
- Ethyl 5-cyano-3-fluoro-2-nitrobenzoate (CAS 1807299-31-5)
- Ethyl 4-cyano-2-fluoro-5-nitrobenzoate (CAS 1807309-44-9)
- 3-(1H-Imidazol-1-yl)-5-(trifluoromethyl)-pyridine-2-carbonitrile (CAS 1823182-91-7)
- Phosphorisocyanatidic dichloride (CAS 870-30-4)
- Methyl 2-Amino-5-chloronicotinate (CAS 50735-33-6)
- N-(2-chlorobenzyl)-2-nitroaniline (CAS 126991-21-7)
- 2-(2,4-Dichlorophenoxy)-N-{[(phenylformamido)methanethioyl]amino}propanamide (CAS 648860-66-6)
- 2,3,3,3-Tetrafluoro-2-methoxypropanamide (CAS 10186-65-9)
- 1-(4-Methoxyphenyl)-3,3-dimethylbutan-2-one (CAS 65853-51-2)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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