Proguanil, a prophylactic antimalarial drug, inhibits the dihydrofolate reductase of plasmodia and thereby blocks the biosynthesis of pyrimidines and purines, which are essential for DNA synthesis and cell multiplication.

500-92-5

C11H16ClN5

253.73

chlorguanide;氯胍;chloroguanide;Proguanil

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years