| Product name: | Ketotifen Hydrogen Fumarate |
| Molecular Formula: | C23H23NO5S |
| Molecular Structure: |  |
| Molecular Weight: | 425.497 |
| CAS No.: | 34580-14-8 |
Description
Ketotifen Hydrogen Fumarate is a white to brownish-yellow fine crystalline powder, odorless, bitter. It is slightly soluble in water and ethanol, very soluble in methanol, very slightly soluble in chloroform and acetone.
Application
Dermatology is used for allergic diseases such as urticaria, pruritus, eczema, atopic dermatitis, atopic dermatitis, neurodermatitis; recently reported to be effective in the treatment of scleroderma. Internal medicine has a good effect on bronchial asthma, and it has a remarkable effect on allergic asthma. Hybrid type is second, and about half of the infection type is effective, which has a preventive effect on asthma.
Specification
| Appearance | White to brownish-yellow fine crystalline powder |
| Identification | The infrared absorption spectrum is concordant with Ketotifen Hydrogen Fumarate reference standard. |
| Appearance of solution | The solution is clear and not more intensity coloured than reference Y4, BY4 or B4. |
| Related substances(HPLC): | |
| Impurity A | ≤0.2% |
| Impurity G | ≤0.15% |
| Any unspecified impurity | ≤0.10% |
| Total impurity | ≤0.3% |
| Loss on drying | ≤0.5% |
| Sulfated ash | ≤0.1% |
| Assay | 98.5~101.0% |
Packing
25kg/bag or as customer’s requirements.
Storage
Preserve in well-closed container.
Minimum Order
One package
