5-(tert-Butyl)-2-methoxybenzenesulfinic acid CAS 88041-77-4
| CAS No. | 88041-77-4 |
| Molecular Formula | C11H16O3S |
| Molecular Weight | 228.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H16O3S, 5-(tert-Butyl)-2-methoxybenzenesulfinic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 228.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 5-(tert-Butyl)-2-methoxybenzenesulfinic acid (CAS 88041-77-4), a certified reference material (molecular formula C11H16O3S, MW 228.31 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(tert-Butyl)-2-methoxybenzenesulfinic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H16O3S |
| Molecular Weight | 228.31 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4'-Methylsulfanyl-biphenyl-3-carbaldehyde (CAS 728918-93-2)
- 5,6-Dimethyl-2-(thiophen-2-yl)-1H-benzo[d]imidazole (CAS 4048-07-1)
- 4-Methyl-N-[2-(methylamino)ethyl]benzene-1-sulfonamide (CAS 79143-52-5)
- 5-Amino-N-isopropyl-2-methylbenzenesulfonamide (CAS 947012-26-2)
- 4-(3-Chloro-4-methoxyphenyl)-3-fluorophenol (CAS 1261946-56-8)
- 2-(5-Fluoro-2-methoxyphenyl)-2-oxoacetic acid (CAS 1094355-95-9)
- 3-Ethyl-1-methyl-1H-1,2,4-triazol-5-amine (CAS 67766-67-0)
- 3-[1-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2,5-dimethyl-1H-pyrrol-3-yl]-3-oxopropanenitrile (CAS 565193-58-0)
- Mivacurium Chloride Impurity N3 (CAS 7668-87-3)
- Cefaclor Impurity 12 (CAS CATO-C4X-127012)
- 6-Propyl-5,6-dihydro-2H-pyran-2-one (CAS 16400-69-4)
- 2-Bromo-1,1-dimethylcyclobutane (CAS 1849196-89-9)
- N,N-Dimethyl-3-butyn-1-amine (CAS 14731-37-4)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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 18665070610 / Nicole.chen@cato-chem.com