Etamsylate (syn: Ethamsylate) is a sulfonic acid derivative and organosulfur compound and haemostatic agent. It increases capillary endothelial resistance and platlet adhesion, and inhibits biosynthesis of prostaglandins. It has antiprotective and proaggregant activity, in addition to antihemorrhagic properties. It can be used for proteomics research.
Etamsylate is soluble in water and DMSO.