Antitubercular assay

Aminosalicylic acid and its salts have been used in the treatment of tuberculosis, Aminosalicylic acid can be prepared by the carboxylation of m- am in oph en o1 (32). Aminosalicylic acid USP assays not less than 98.5% and not more than 100.5%, calculated on the anhydrous basis. The antitubercular agents are likely to be used as the more tolerated salts calcium [133-15-3] potassium [133-09-5] sodium [133-10-8] and the ethyl [6069-17-2] and phenyl [133-11-9] esters of -aminosalicylic acid. 

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