Phone:
34-686341722
Product Name | Chlorosulfonyl isocyanate/ CSI |
CAS NO. | 1189-71-5 |
Molecular Formula | ClSO₂NCO |
Structural Formula |  |
Molecular Weight | 141.53 g/mol |
Purity | 99.0% min |
| Impurity | 0.6% max |
| Density | 1.626 g/mL |
| Appearance | Colorless transparent liquid |
Application | Primary Application: β-Lactam Antibiotic SynthesisEssential reagent for cephalosporin synthesis (Cefuroxime, Cefoxitin) and other β-lactam antibiotics.
Cephalosporin Synthesis • Cefuroxime intermediate production • Cefoxitin synthesis pathway • Second & third-generation cephalosporins β-Lactam Formation • [2+2] Cycloaddition reactions • N-chlorosulfonyl-β-lactams synthesis • Stereoselective β-lactam preparation • Novel antibiotic scaffolds ⚗️ Sulfamide Chemistry • Sulfamoyl carbamate formation • Bioisosteric replacements • N,N-disubstituted sulfamides • Medicinal chemistry applications |