3-Chlorosulfonyl-4-methyl-benzoic acid methyl ester CAS 372198-41-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 372198-41-9 |
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chlorosulfonyl-4-methyl-benzoic acid methyl ester (CAS 372198-41-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H9ClO4S. Molecular weight: 248.68 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H9ClO4S |
| Molecular Weight | 248.68 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.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorosulfonyl Standards
- 4-(Chlorosulfonyl)phenyl propionate (CAS 1029717-21-2)
- Ethyl 2-(chlorosulfonyl)benzoate (CAS 103008-54-4)
- 4-Chlorosulfonyl-benzoic acid ethyl ester (CAS 10486-51-8)
- Methyl 2-(chlorosulfonyl)-5-methylbenzoate (CAS 1153230-09-1)
- Methyl 3-(chlorosulfonyl)-5-methylbenzoate (CAS 1154149-31-1)
- 4-Methyl-2-chlorosulfonyl-benzoic acid methyl ester, 97% (CAS 1188087-56-0)
- Methyl 2-(chlorosulfonyl)-3-methylbenzoate (CAS 126535-26-0)
- Methyl 4-((chlorosulfonyl)methyl)benzoate (CAS 130047-14-2)
Recommended Standards
- 3-Chloro-5-((methylsulfonyl)methyl)benzoic acid (CAS 2739053-80-4)
- 4'-Chloro-2-fluoro-5-methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 2624417-72-5)
- 3-Chloro-4-fluoro-3-methylbenzophenone (CAS 951886-54-7)
- 2-(Cyclohexylsulfonyl)acetonitrile (CAS 797036-54-5)
- Cyanidin 3-Xyloside (CAS 29761-24-8)
- 4-Amino-6-phenylpyridazin-3(2H)-one (CAS 89868-06-4)
- 4-(4-Bromophenoxy)benzenesulfonamide (CAS 860515-97-5)
- 2-Hydroxy-3-(4-methoxyphenyl)propanoic acid (CAS 28030-15-1)
- Methyl 2-chloro-3,6-difluorobenzoate (CAS 773874-02-5)
- Tirzepatide Impurity 44 (CAS CATO-C4X-324044)
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