Product Name: | Sivelestat sodium tetrahydrate |
Catalog Number: | M5966 |
CAS Number: | 201677-61-4 |
Formula: | C20H21N2O7S.4H2O.Na |
Molecular Weight: | 528.51 |
Solubility: | DMSO ≥ 100 mg/mL |
Storage: |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Chemical Structure: | ![]() |
QC Standard: | 99.62% |
H-NMR: | Consistent with structure |
Description: | Sivelestat sodium tetrahydrate is a competitive inhibitor of human neutrophil elastase, with an IC50 of 44 nM and a Ki of 200 nM. Sivelestat (EI546) sodium tetrahydrate also inhibits leukocyte elastase obtained from rabbit, rat, hamster and mouse. |
Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |