3-Chloro-2,5-dimethylbenzenesulfonyl chloride CAS 166964-40-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 166964-40-5 |
| Molecular Formula | C8H8Cl2O2S |
| Molecular Weight | 239.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 3-Chloro-2,5-dimethylbenzenesulfonyl chloride (CAS 166964-40-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H8Cl2O2S. Molecular weight: 239.12 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H8Cl2O2S |
| Molecular Weight | 239.12 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.) | 2004 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 1-Chloro-4-((2-chloroethyl)sulfonyl)benzene (CAS 16191-84-7)
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Recommended Standards
- 3-(1,1,2,2-Tetrafluoroethoxy)nitrobenzene (CAS 1644-21-9)
- 2,4-Bis(trifluoromethyl)benzonitrile (CAS 177952-38-4)
- 4-(Fluoromethyl)-6-hydroxy-3-(trifluoromethoxy)picolinaldehyde (CAS 1804795-25-2)
- 2-(2-((4-Chlorophenyl)amino)thiazol-4-yl)acetic acid (CAS 436094-81-4)
- 1-(Cyclobutylmethyl)-5-(trifluoromethyl)-1h-pyrazole-3-carboxylic acid (CAS 2197062-02-3)
- 1-(Dibenzylamino)propan-2-one (CAS 68543-42-0)
- 2-Methoxy-4-methylphenyl 3-piperidinyl ether (CAS 902836-53-7)
- 5-Nitro-2H-pyran-2-one (CAS 22682-11-7)
- 5-bromo-6-fluoro-1H-pyrazolo[4,3-b]pyridine (CAS 2170599-90-1)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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