Ketotifen Hydrogen Fumarate CAS 34580-14-8

Ketotifen Hydrogen Fumarate CAS 34580-14-8

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Product Details

 

Product name: 
Ketotifen Hydrogen Fumarate
Molecular Formula:
C23H23NO5S
Molecular Structure: 
mtxx27
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

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