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    | QCC Cat No.: | QK202018 |  
    | Chemical Name: | Ketotifen Impurity 18 |  
    | Synonyms: | 4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one |  
    | CAS No.: | 4506-53-0 |  
    | Molecular Formula: | C13H8OS |  
    | Molecular Weight: | 212.27 |  
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    | Standard Reference Material For "Ketotifen Impurity 18" 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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