| Product Name: | Ondansetron Hydrochloride Dihydrate |
| Catalog Number: | M5835 |
| CAS Number: | 103639-04-9 |
| Formula: | C18H19N3O.HCl.2H2O |
| Molecular Weight: | 365.85 |
| Solubility: | DMSO 80 mg/mL; Water 12 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: | 100.0% |
| H-NMR: | Consistent with structure |
| Description: | Ondansetron is a highly specific and selective serotonin 5-HT3 receptor antagonist (Ki=6.16 nM), with low affinity for dopamine receptors. |
| 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. |