Meng LuSi sodium is a kind of effective oral selective leukotriene receptor antagonism antibody, can restrain the molecule in ammonia acyl leukotriene receptor specificity, developed by Merck, Germany company, listed in Canada, Finland, Mexico in 1997. For adults and children asthma prevention and treatment for a long time, including the prevention of asthma symptoms of day and night, sensitive to aspirin treatment of asthma and to prevent movement of bronchoconstriction, can also be used to alleviate the age of 15 and 15 years of age or older patients resistant to other treatment is invalid or not seasonal allergic rhinitis symptoms.
Specification:
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Item
Specification
Description
White crystalline powder
Assay
≥99.0%
Identification
Chemistry
Must conforms to standard
Identification
The retention time of test sample major peak
complies to reference standard
(HPLC)
Infrared absorption
Must complies to reference standard
Sodium identification
The solution so obtained responds to the tests for sodium
pH
9.0~10.5
Impurity
Not more than 0.5% of any individual impurity is found,
the sum of all impurities found is not more than 1.0%