ketotifen fumarate
| Name | ketotifen fumarate |
| Chemical name | 4,9-dihydro-4-(1-methylpiperidin-4-ylidene)-10H-benzo[4,5]cyclohepta[1,2-b]thiophene-10-one fumarate |
| Molecular structure |  |
| Formula | C23H23NO5S |
| Weight | 425.5 |
| CAS No. | 34580-14-8 |
| Specification | 99% |
| Use |