Potassium metabisulfite CAS 16731-55-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16731-55-8 |
| Molecular Formula | O5S2 2*K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Potassium metabisulfite (CAS 16731-55-8) pharmaceutical standards reference standard. Molecular formula: O5S2 2*K. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | O5S2 2*K |
| Molecular Weight | 183.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 2 |
Related Potassium Standards
Recommended Standards
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- Methyl (r)-3-amino-3-(4-(tert-butyl)phenyl)propanoate (CAS 1213631-18-5)
- 3-(4-Hydroxy-2,8-dimethyl-quinolin-3-yl)-propionic acid (CAS 22609-23-0)
- 4-(2-(Quinolin-7-yl)vinyl)aniline (CAS 54-83-1)
- (11bS)-2,6-Bis(3,5-dimethylphenyl)-4-hydroxydinaphtho[2,1-d:1’,2’-f][1,3,2]dioxaphosphepine 4-Oxide (CAS 1170736-59-0)
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
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