6671-49-4 Potassium 4-chloro-3-nitrobenzenesulphonate Benzenesulfonic acid, 4-chloro-3-nitro-, potassium salt (1:1) Benzenesulfonic acid, 4-chloro-3-nitro-, potassium salt EINECS 229-709-5 NSC 202712 Potassium 4-chloro-3-nitrobenzenesulfonate CAS 6671-49-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6671-49-4 |
| Molecular Formula | C6H3ClNO5S K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 6671-49-4 Potassium 4-chloro-3-nitrobenzenesulphonate Benzenesulfonic acid, 4-chloro-3-nitro-, potassium salt (1:1) Benzenesulfonic acid, 4-chloro-3-nitro-, potassium salt EINECS 229-709-5 NSC 202712 Potassium 4-chloro-3-nitrobenzenesulfonate (CAS 6671-49-4) pharmaceutical standards reference standard. Molecular formula: C6H3ClNO5S K. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H3ClNO5S K |
| Molecular Weight | 275.70 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-[(1-methyl-1H-imidazol-2-yl)methyl]piperidine-4-carboxylic acid (CAS 1146290-39-2)
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- (4S,5R)-2-(2-(Diphenylphosphanyl)phenyl)-4,5-diphenyl-4,5-dihydrooxazole (CAS 2468233-72-7)
- 3-Bromoisothiazolo[4,5-b]pyrazine (CAS 907597-26-6)
- Clemastine Impurity 22 (CAS CATO-C4X-183722)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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