3-(Fluorosulfonyl)-4-(1-methylethyl)-benzoic acid CAS 21322-94-1
| CAS No. | 21322-94-1 |
| Molecular Formula | C10H11FO4S |
| Molecular Weight | 246.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(Fluorosulfonyl)-4-(1-methylethyl)-benzoic 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.
3-(Fluorosulfonyl)-4-(1-methylethyl)-benzoic acid (CAS 21322-94-1), molecular formula C10H11FO4S and molecular weight 246.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H11FO4S, 3-(Fluorosulfonyl)-4-(1-methylethyl)-benzoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H11FO4S |
| Molecular Weight | 246.26 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorosulfonyl Standards
- 2-(4-(Fluorosulfonyl)phenoxy)acetic acid (CAS 34380-54-6)
- 3-(Fluorosulfonyl)-4-methoxybenzoic acid (CAS 199461-16-0)
- 4-(Fluorosulfonyl)-3-methoxybenzoic acid (CAS 935534-26-2)
- 5-(Fluorosulfonyl)-2-methoxybenzoic acid (CAS 2488-50-8)
- Methyl 5-(fluorosulfonyl)-2-hydroxybenzoate (CAS 400-89-5)
- Methyl (4-(fluorosulfonyl)phenyl)carbamate (CAS 315239-61-3)
- Methyl 2-[(fluorosulfonyl)methyl]benzoate (CAS 1354953-70-0)
- methyl 4-[(fluorosulfonyl)methyl]benzoate (CAS 1955558-09-4)
Recommended Standards
- 3-(Benzyloxy)-2-(hydroxymethyl)-6-methyl-4H-pyran-4-one (CAS 216581-77-0)
- 3-(hydrazinesulfonyl)benzoic Acid (CAS 7385-52-6)
- 3-(6-Hydroxy-2-isopropenyl-2,3-dihydro-benzofuran-5-yl)-acrylic acid (CAS 354147-13-0)
- 3-(Hydroxymethyl)phenethyl furan-3-carboxylate (CAS 61761-78-2)
- Sodium Lauroylsarcosinate (CAS 137-16-6)
- 4-(Tetrahydrofuran-2-yl)thiazol-2-amine (CAS 1378826-29-9)
- 4-Acetamido-6-fluoroquinoline-3-carboxylic acid (CAS 1352541-90-2)
- 3,8-dichloro-1,7-naphthyridine (CAS 1260672-65-8)
- 4-Bromo-1-phenylpyridin-2(1H)-one (CAS 1935260-90-4)
- Potassiumbenzenesulfonate (CAS 934-55-4)
- Lusutrombopag Impurity 9 (CAS CATO-C4X-20849)
- 6-(4-Methoxyphenyl)-1-[(3-methoxyphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 337919-91-2)
- 2-(1-methyltriazol-4-yl)ethanamine (CAS 856861-69-3)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
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