4-Methylbenzenesulfinic Acid CAS 536-57-2
Purity >95%In StockPharmaceutical Standards
| CAS No. | 536-57-2 |
| Molecular Formula | C7H8O2S |
| Molecular Weight | 156.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylbenzenesulfinic Acid (CAS 536-57-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H8O2S. Molecular weight: 156.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H8O2S |
| Molecular Weight | 156.20 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Methylbenzenesulfinic Standards
Recommended Standards
- S-Furfuryl Thioacetate (CAS 13678-68-7)
- 5-Amino-4-cyclopropyl-4h-1,2,4-triazole-3-thiol (CAS 1000933-23-2)
- CAS 30718-13-9 (CAS 30718-13-9)
- 1,2,5-Trimethyl-1H-pyrrole-3-sulfonyl chloride (CAS 499770-93-3)
- meso-Tetraphenylporphyrin (CAS 917-23-7)
- 6-Ethyl-5-methylnicotinonitrile (CAS 110253-41-3)
- 3-Fluoro-5-methylpyridine hydrochloride (CAS 1373223-28-9)
- 2-(4-Bromothiophen-2-yl)piperidine hydrochloride (CAS 1177327-68-2)
- tert-Butyl 3,9-diazaspiro[5.5]undecane-3-carboxylate oxalate (CAS 2448267-91-0)
- Insulin Detemir (CAS 169148-63-4)
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