4-Aminosalicylic acid (hemicalcium)

4-Aminosalicylic acid hemicalcium is an inhibitor for dihydrofolate reductase (DHFR) and an antituberculous agent. 4-Aminosalicylic acid hemicalcium exhibits anti-inflammatory activity and can be used in research of inflammatory bowel disease (IBD). 4-Aminosalicylic acid hemicalcium is orally active[3].