4-Methyl-3-(methylsulfonyl)benzoic acid CAS 51522-22-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51522-22-6 |
| Molecular Formula | C9H10O4S |
| Molecular Weight | 214.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Methyl-3-(methylsulfonyl)benzoic acid (CAS 51522-22-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H10O4S. Molecular weight: 214.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H10O4S |
| Molecular Weight | 214.24 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Methoxy-2-(methylsulfonyl)benzaldehyde (CAS 942474-73-9)
- 4-Oxo-4,5,6,7-tetrahydro-2H-isoindole-2-sulfonamide (CAS 2172947-82-7)
- 4-Methanesulfonamidobenzamide (CAS 329043-17-6)
- 3-(4,6-Diamino-2,2-dimethyl-2H-[1,3,5]triazin-1-yl)-benzoic acid (CAS 17740-28-2)
- 2-(Cyclobutylamino)cyclopentan-1-ol (CAS 1248048-25-0)
- 1-Ethyl-3-nitro-1H-pyrazole-4-carboxamide (CAS 61716-99-2)
- N-(5-(Ethylthio)-1,3,4-thiadiazol-2-yl)-6-(1H-1,2,4-triazol-1-yl)pyridazine-3-carboxamide (CAS 1448131-01-8)
- 1-Iodo-3-(phenethoxymethyl)benzene (CAS 1222138-98-8)
- Orforglipron impurity 74 (CAS CATO-C4X-323474)
- Galanin Message Associated Peptide (1-41) amide trifluoroacetate salt (CAS 132699-74-2)
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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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com