3-Chloro-5-methylbenzenesulfonyl chloride CAS 1049026-35-8
| CAS No. | 1049026-35-8 |
| Molecular Formula | C7H6Cl2O2S |
| Molecular Weight | 225.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 225.09 g/mol gives 3-Chloro-5-methylbenzenesulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-5-methylbenzenesulfonyl chloride (CAS 1049026-35-8) is a high-purity analytical reference standard with the molecular formula C7H6Cl2O2S and a molecular weight of 225.09 g/mol.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 3-Chloro-5-methylbenzenesulfonyl chloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 225.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 3-Chloro-5-methylbenzenesulfonyl chloride 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 | C7H6Cl2O2S |
| Molecular Weight | 225.09 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-3-methylbenzene-1-sulfonyl chloride (CAS 1191545-47-7)
- 2-Chloro-5-methylbenzene-1-sulfonyl chloride (CAS 99876-69-4)
- 3-Chloro-2-methylbenzenesulfonyl chloride (CAS 80563-86-6)
- 3-Chloro-4-methylbenzene-1-sulfonyl chloride (CAS 42413-03-6)
- 4-Chloro-3-methylbenzene-1-sulfonyl chloride (CAS 6291-02-7)
- 5-Chloro-2-methylbenzenesulfonyl Chloride (CAS 34981-38-9)
- (3-Chloro-phenyl)-methanesulfonyl chloride (3-chlorophenyl)methanesulfonyl chloride 24974-73-0 (CAS 24974-73-0)
- 2-Chloro-N-((2-chlorothiazol-5-yl)methyl)acetamide (CAS 1353960-63-0)
Recommended Standards
- 5-Bromo-3,7-dimethyl-1H-indazole (CAS 1031417-71-6)
- 3-[(3-Bromophenyl)amino]propanenitrile (CAS 1049118-66-2)
- 3-Bromo-5,7-dimethyl-1H-indazole (CAS 1000341-11-6)
- 1,2-Dichloro-3-(methylsulfonyl)benzene (CAS 106418-92-2)
- 5,12-Diphenyl-5,12-dihydroquinoxalino[2,3-b]quinoxaline (CAS 2361129-09-9)
- 5-(5-Bromo-2-fluorophenyl)imidazolidine-2,4-dione (CAS 1048367-91-4)
- 3-Amino-5-sulfosalicylic acid (CAS 6201-86-1)
- 14-demethyl-lanosterol-d6 (CAS 1246298-30-5)
- 5-(Bromomethyl)-6-iodobenzo[d][1,3]dioxole (CAS 153254-99-0)
- 2-(4-Nitrophenyl)-1h-imidazole hydrochloride (CAS 1193389-98-8)
- 2-(2,6-Diethoxyphenyl)-3-(diphenylphosphino)-1-methyl-1H-indole (CAS 2762941-75-1)
- Ipragliflozin Impurity 2 (CAS CATO-C4X-18852)
- 5-Bromo-1-(phenylsulfonyl)-1H-indazole (CAS 1001415-31-1)
- Liraglutide Impurity 28 (CAS CATO-C4X-199228)
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