4-(chlorosulfonyl)-2-methylbenzoic acid CAS 89938-64-7
| CAS No. | 89938-64-7 |
| Molecular Formula | C8H7ClO4S |
| Molecular Weight | 234.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H7ClO4S, 4-(chlorosulfonyl)-2-methylbenzoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.66 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).
4-(chlorosulfonyl)-2-methylbenzoic acid (CAS 89938-64-7), molecular formula C8H7ClO4S and molecular weight 234.66 g/mol, is a CATO reference standard with documented purity and traceability.
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 4-(chlorosulfonyl)-2-methylbenzoic 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 | C8H7ClO4S |
| Molecular Weight | 234.66 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.) | 1982 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related chlorosulfonyl Standards
- 2-[3-(chlorosulfonyl)phenyl]acetic acid (CAS 1314911-30-2)
- 4-(chlorosulfonyl)-3-methylbenzoic acid (CAS 1314960-92-3)
- 2-(Chlorosulfonyl)-4-methylbenzoic acid (CAS 80998-71-6)
- 3-(chlorosulfonyl)-2-methylbenzoic acid (CAS 631416-27-8)
- 4-(Chlorosulfonyl)phenyl acetate (CAS 79119-26-9)
- 4-[(chlorosulfonyl)methyl]benzoic acid (CAS 92614-57-8)
- 5-(Chlorosulfonyl)-2-methylbenzoic acid (CAS 89001-57-0)
- Methyl 2-(Chlorosulfonyl)benzoate (CAS 26638-43-7)
Recommended Standards
- 3-Methyl-2,6-diphenylpyridine (CAS 28489-52-3)
- 3-Formyl-4-methoxybenzene-1-sulfonyl chloride (CAS 56707-17-6)
- 4-(Chlorosulphonyl)phenylacetic acid (CAS 22958-99-2)
- 3-Chloro-5-sulfamoylbenzamide (CAS 857582-92-4)
- 1-(3-Fluoro-4-methylphenyl)prop-2-en-1-amine (CAS 1270378-62-5)
- 2-(Phenylamino)-2-(pyridin-4-yl)acetonitrile (CAS 97383-66-9)
- N-Benzylidene-2-(1H-indol-3-yl)ethanamine (CAS 177217-39-9)
- 5-Amino-2-phenylsulfanyl-benzoic acid methyl ester (CAS 361336-73-4)
- 1-(4-Amino-1,2,5-oxadiazol-3-yl)-5-thien-2-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 695223-67-7)
- Secalciferol (CAS 55721-11-4)
- 2-Chloro-5-((4-methoxypyrimidin-2-yl)amino)phenol (CAS 915774-30-0)
- Bis-PEG13-acid (CAS 51178-68-8)
- tert-Butyl (3-Amino-1-phenylpropyl)carbamate (CAS 883510-34-7)
- Anxiety Peptide (CAS 95237-86-8)
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