Ethyl 4-chlorobenzene-1-sulfonate CAS 20443-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20443-71-4 |
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Ethyl 4-chlorobenzene-1-sulfonate (CAS 20443-71-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H9ClO3S. Molecular weight: 220.67 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-Chlorobenzene-1-sulfonyl isocyanate (CAS 68984-05-4)
- 4-chlorobenzene-1-sulfonyl azide (CAS 4547-68-6)
- 5-acetyl-2-chlorobenzene-1-sulfonamide (CAS 2350-44-9)
- 4-Chlorobenzene-sulfonmethyl-ester (CAS 15481-45-5)
- P-Chlorobenzene Arsonic Acid (CAS 5440-04-0)
- 2-Chlorobenzene-1,3,5-tricarbaldehyde (CAS 102626-20-0)
- 4-Chlorobenzene-d (CAS 544686-14-8)
- 2-Chlorobenzene-1-sulfinyl chloride (CAS 1852086-12-4)
Recommended Standards
- 5-Methoxy-2-methylbenzenesulfonyl Chloride (CAS 861374-10-9)
- 7205-96-1 Anisole, p-[(chloromethyl)sulfonyl]- Benzene, 1-[(chloromethyl)sulfonyl]-4-methoxy- NSC-405475 NSC405475 (CAS 7205-96-1)
- 4-Methoxy-3-methylbenzenesulfonyl chloride (CAS 84910-98-5)
- 6-Amino-4-(difluoromethyl)-5-methoxynicotinic acid (CAS 1806898-89-4)
- 6,7,9,10,12,13,15,16,18,19,32,33,35,36,38,39,41,42,44,45-icosahydro-3,30:22,47-diepithio-21,25-(metheno)tribenzo[l1,q,t][1,4,7,10,13,16,22,25,28,31,34,37]dodecaoxa[19,40]dithiacyclopentatetracontine (CAS 388569-88-8)
- 2-(5-Cyano-2-methoxyphenyl)acetic acid (CAS 325124-98-9)
- Tert-butyl 7-(methylamino)-5-azaspiro[2.4]Heptane-5-carboxylate (CAS 2306274-89-3)
- 2-Methyl-2-phenylpropane-1-sulfonyl chloride (CAS 125125-33-9)
- (R)-2-(4-Chlorophenyl)propanoic acid (CAS 105879-62-7)
- Myristoyl Pentapeptide-4 (CAS 1392416-25-9)
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