5399-63-3 Potassium hydrogen 4-sulphonatobenzoate Benzoic acid, 4-sulfo-, potassium salt (1:1) Benzoic acid, 4-sulfo-, monopotassium salt EINECS 226-435-8 NSC 4862 Potassium 4-carboxybenzenesulfonate p-Sulphobenzoic acid, monopotassium salt CAS 5399-63-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5399-63-3 |
| Molecular Formula | C7H11O5S K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5399-63-3 Potassium hydrogen 4-sulphonatobenzoate Benzoic acid, 4-sulfo-, potassium salt (1:1) Benzoic acid, 4-sulfo-, monopotassium salt EINECS 226-435-8 NSC 4862 Potassium 4-carboxybenzenesulfonate p-Sulphobenzoic acid, monopotassium salt (CAS 5399-63-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H11O5S K. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H11O5S K |
| Molecular Weight | 246.32 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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