4-Chlorobenzenesulfonyl chloride CAS 98-60-2
Purity >95%In StockPharmaceutical Standards
| CAS No. | 98-60-2 |
| Molecular Formula | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chlorobenzenesulfonyl chloride (CAS 98-60-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4Cl2O2S. Molecular weight: 211.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4Cl2O2S |
| Molecular Weight | 211.07 g/mol |
| Purity | >95% |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-BROMO-3-FLUORO-6-METHOXYBENZENE 2-BROMO-4-FLUORO-1-METHOXYBENZENE 2-BROMO-4-FLUORO-METHOXYBENZENE 2-BROMO-4-FLUOROANISOLE 452-08-4 AS04143 ATTERCOP-CHM AT106665 BENZENE, 2-BROMO-4-FLUORO-1-METHOXY- OTAVA-BB 1787756 (CAS 452-08-4)
- 5-Bromo-4-methyl-2,3-dihydrothiophene 1,1-dioxide (CAS 100130-40-3)
- 3-Bromo-1,2-diamino-5-fluorobenzene (CAS 115440-10-3)
- 2,3-Diamino-5-nitrobenzoic acid (CAS 98279-87-9)
- Methyl 2-(3-bromobenzamido)-4,5-dimethylthiophene-3-carboxylate (CAS 353781-69-8)
- 2-(2-Chloro-4-(trifluoromethyl)phenoxy)acetonitrile (CAS 1052695-62-1)
- (1S,3R)-1-Amino-1-phenylpentan-3-ol (CAS 1241681-13-9)
- Octyl α-D-mannopyranoside (CAS 124650-29-9)
- 2,4-Dichlorobenzyl Alcohol EP Impurity F (CAS 874-42-0)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
Why CATO?
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