5-(chlorosulfonyl)-2-fluoro-3-methylbenzoic acid CAS 1394040-67-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1394040-67-5 |
| Molecular Formula | C8H6ClFO4S |
| Molecular Weight | 252.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(chlorosulfonyl)-2-fluoro-3-methylbenzoic acid (CAS 1394040-67-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClFO4S. Molecular weight: 252.65 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1991 |
| 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)-4-fluoro-5-methylbenzoic acid (CAS 1242339-88-3)
Recommended Standards
- 4-Acetamido-6-fluoropyridine-2-sulfonyl chloride (CAS 1393582-62-1)
- 1-(4-Chlorophenyl)-5-methyl-2-oxo-2,3-dihydro-1H-imidazole-4-carboxylic acid (CAS 14058-89-0)
- 6-Acetamido-4-fluoropyridine-2-sulfonyl chloride (CAS 1393573-26-6)
- 2-(4-Fluorophenyl)-2-(4-oxopiperidin-1-yl)aceticacid (CAS 886363-63-9)
- 5-amino-1-benzyl-1H-pyrazole-4-carbohydrazide (CAS 132835-00-8)
- 2-(4-Fluorophenyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1402172-82-0)
- 4-(1,3,2-Dioxaborinan-2-yl)-N-methylbenzamide (CAS 957120-71-7)
- (5-Bromo-2-methoxyphenyl)-N,N-dimethylmethanamine (CAS 7078-90-2)
- 3-Nitro-1H-pyrazole-5-carbohydrazide (CAS 297149-33-8)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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