m-toluenesulfonyl chloride CAS 1899-93-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1899-93-0 |
| Molecular Formula | C7H13ClO2S |
| Molecular Weight | 196.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
m-toluenesulfonyl chloride (CAS 1899-93-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H13ClO2S. Molecular weight: 196.69 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H13ClO2S |
| Molecular Weight | 196.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related m Standards
- p-Toluenesulfonyl isocyanate (CAS 4083-64-1)
- o-Toluenesulfonyl Chloride (contains ca. 23% isomer) (CAS 133-59-5)
- p-Toluenesulfonyl Chloride (CAS 98-59-9)
- 1-(p-Toluenesulfonyl)aziridine 1-(p-Toluenesulfonyl)ethylenimine 1-(p-Tolylsulfonyl)aziridine 1-Tosylaziridine 1-[(4-Methylphenyl)sulfonyl]aziridine 3634-89-7 N-(p-Toluenesulfonyl)aziridine N-(p-Tolylsulfonyl)aziridine N-Tosylaziridine N-[(4-Methylphenyl)sulfonyl]aziridine N-p-Tosylaziridine (CAS 3634-89-7)
- p-Toluenesulfonyl Hydrazide (CAS 1576-35-8)
- 4-Toluenesulfonyl cyanide (CAS 19158-51-1)
- 455-16-3 4-Toluenesulfonyl fluoride Benzenesulfonyl fluoride, 4-methyl- 4-Methylbenzenesulfonyl fluoride p-Toluenesulfonyl fluoride p-Toluenesulphonyl fluoride 4-11-00-00375 (Beilstein Handbook Reference) BRN 2208423 EINECS 207-238-6 p-Methylbenzenesulfonyl fluoride p-Methylphenylsulfonyl fluoride NSC 2749 Phenylmethylsulfonyl fluoride Toluene-4-sulfonyl fluoride Toluene-p-sulphonyl fluoride 4-Tolylsulfonyl fluoride Tosyl fluoride (CAS 455-16-3)
- 1-(P-Toluenesulfonyl)pyrrole-2-aldehyde (CAS 102619-05-6)
Recommended Standards
- Cycloheptanesulfonyl chloride (CAS 187143-10-8)
- (3,3-Dimethylcyclobutyl)methanesulfonyl chloride (CAS 1935526-71-8)
- Hept-6-ene-1-sulfonyl chloride (CAS 1699978-43-2)
- N-((1-(2-Aminoacetyl)pyrrolidin-3-yl)methyl)-N-cyclopropylacetamide (CAS 1353966-20-7)
- (2E)-3-(3-BRomo-4-fluorophenyl)-2-propenoic acid, methyl ester (CAS 959961-64-9)
- Dihomo-Gamma-Linolenic Acid (CAS 1783-84-2)
- 5-Bromo-2-(3-bromopyridin-2-yl)-2H-1,2,3-triazol-4-amine (CAS 1708168-56-2)
- 2-(tert-Butoxy)-4-cyclopropoxy-1-fluorobenzene (CAS 1243462-05-6)
- Rocuronium Impurity 45 (CAS CATO-C4X-124245)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
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