2-Hydroxy-4-methylbenzenesulfonic acid CAS 22356-80-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22356-80-5 |
| Molecular Formula | C7H8O4S |
| Molecular Weight | 188.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-Hydroxy-4-methylbenzenesulfonic acid (CAS 22356-80-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C7H8O4S. Molecular weight: 188.20 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C7H8O4S |
| Molecular Weight | 188.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1963 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- 2-Hydroxy-5-methylbenzenesulfonic Acid (CAS 7134-06-7)
- 4-Hydroxy-3-methylbenzenesulfonic Acid (CAS 7134-04-5)
- 19813-55-9 Methyl 3-hydroxy-5-methoxy-2-thiophenecarboxylate methyl 3-hydroxy-5-methoxythiophene-2-carboxylate (CAS 19813-55-9)
- 4-hydroxy-2-methylbenzenesulfonic acid (CAS 7134-05-6)
- Hydroxy Ipronidazole-d3 (CAS 1156508-86-9)
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Recommended Standards
- Policresulen Impurity 12 (CAS 68127-34-4)
- Policresulen impurity 21 (CAS 102014-39-1)
- Thiamine /Vitamin B1 Impurity 52 (CAS 252568-49-3)
- Vigabatrin (CAS 60643-86-9)
- 4-([1,1'-Biphenyl]-4-yl)-2-(pyridin-4-yl)thiazole (CAS 102554-97-2)
- 3-(4-Chloro-2-ethylphenoxy)piperidinehydrochloride (CAS 1220018-98-3)
- 2,2'-(Nonane-1,9-diyl)bis(3-methyl-1H-imidazol-3-ium) fluoride (CAS 1245190-21-9)
- Dapsone Impurity N8 (CAS 119-59-5)
- Roxadustat Impurity 42 (CAS CATO-C4X-221342)
- Neuropeptide K, porcine (CAS 106441-70-7)
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