Potassium 4-nitro-2-sulfonatobenzoate CAS 5344-48-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5344-48-9 |
| Molecular Formula | C7H3NO7S 2*K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Potassium 4-nitro-2-sulfonatobenzoate (CAS 5344-48-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H3NO7S 2*K. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H3NO7S 2*K |
| Molecular Weight | 284.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Potassium Standards
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Recommended Standards
- 2-(3-Iodophenyl)-2-oxoacetic acid (CAS 26767-04-4)
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- 4-(5-Ethyl-1,3,4-oxadiazol-2-yl)benzoic acid (CAS 1342121-06-5)
- 3-(5-aminopyrimidin-2-yl)phenol (CAS 1152519-82-8)
- Terbutaline impurity 138 (CAS CATO-C4X-1183138)
- 2-(3-Amino-1-(tert-butoxycarbonyl)azetidin-3-yl)-2,2-difluoroacetic acid (CAS 2306270-05-1)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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