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    | QCC Cat No.: | QK202003 |  
    | Chemical Name: | Ketotifen EP Impurity C |  
    | Synonyms: | 4-hydroxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one |  
    | CAS No.: | 126939-27-3 |  
    | Molecular Formula: | C19H21NO2S |  
    | Molecular Weight: | 327.44 |  
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    | Standard Reference Material For "Ketotifen EP Impurity C" Warning:The form of the product salt may be different from the official website,please consult your local agent for details.
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