3-(Chlorosulfonyl)-4-fluoro-5-methylbenzoic acid CAS 1242339-88-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1242339-88-3 |
| Molecular Formula | C8H6ClFO4S |
| Molecular Weight | 252.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-(Chlorosulfonyl)-4-fluoro-5-methylbenzoic acid (CAS 1242339-88-3) pharmaceutical standards reference standard. Molecular formula: C8H6ClFO4S. Molecular weight: 252.65 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H6ClFO4S |
| Molecular Weight | 252.65 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- 5-(chlorosulfonyl)-4-fluoro-2-methylbenzoic acid (CAS 1026030-54-5)
- Methyl 4-(chlorosulfonyl)-2-fluorobenzoate (CAS 1063733-16-3)
- Methyl 3-(chlorosulfonyl)-4-fluorobenzoate (CAS 1099660-67-9)
- Methyl 3-(chlorosulfonyl)-5-fluorobenzoate (CAS 1155909-75-3)
- Methyl 2-(Chlorosulfonyl)-4-fluorobenzoate (CAS 1156254-63-5)
- methyl 2-(chlorosulfonyl)-6-fluorobenzoate (CAS 120257-01-4)
- Methyl 4-(chlorosulfonyl)-3-fluorobenzoate (CAS 1219687-20-3)
- 3-(Chlorosulfonyl)-5-fluoro-2-methylbenzoic acid (CAS 1341488-61-6)
Recommended Standards
- 4-Amino-5-chloro-8-methoxyquinoline-3-carboxylic acid (CAS 1242260-17-8)
- 4-(5-Chloro-1H-indazol-1-yl)-4-oxobutanoic acid (CAS 1242871-15-3)
- Methyl 4-Chloro-6-methoxyquinazoline-8-carboxylate (CAS 1240480-28-7)
- 1,3-Diethyl-8-phenylxanthine (CAS 75922-48-4)
- 5-(Cyclopropylmethoxy)quinolin-8-amine (CAS 1154278-09-7)
- 5-(4-Fluorophenyl)-3-(4-methoxyphenyl)-1H-pyrazole (CAS 37613-37-9)
- 1-Benzyl-2-[difluoro(phenoxy)methyl]-4,5-dihydro-1H-imidazole (CAS 1069085-16-0)
- 6-Chloroquinolin-7-amine (CAS 226073-90-1)
- Tert-butyl (S)-(1-(cyclopropyl(4-fluorobenzyl)amino)-1-oxopropan-2-yl)carbamate (CAS 1421010-21-0)
- Calcitonin N-Terminal Flanking Peptide (human) (CAS 118277-01-3)
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