Potassium 4-hydroxy-3-(sulfothio)phenolate CAS 88891-36-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88891-36-5 |
| Molecular Formula | C6H6O5S2 K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Potassium 4-hydroxy-3-(sulfothio)phenolate (CAS 88891-36-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6O5S2 K. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6O5S2 K |
| Molecular Weight | 261.33 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 2 |
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Recommended Standards
- tert-Butyl hexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate (CAS 1493766-60-1)
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- Cefepime Impurity 16 (CAS CATO-C4X-119316)
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- ACTH (4-10) (CAS 4037-01-8)
- Lornoxicam impurity 91 (CAS 1629361-76-7)
- Immunstimulating Peptide, human (CAS 94773-24-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com