Chymase-IN-1 is primarily used in research settings to study the role of chymase enzymes in various biological processes. It is a potent inhibitor of chymase, an enzyme involved in the conversion of angiotensin I to angiotensin II, which plays a critical role in blood pressure regulation and cardiovascular health. By inhibiting chymase, this compound helps researchers investigate its potential in treating conditions like hypertension, heart failure, and vascular remodeling. Additionally, it is employed in studies exploring inflammatory diseases, as chymase is known to contribute to inflammation and tissue remodeling. Its application extends to understanding the enzyme's role in allergic reactions and fibrosis, providing insights into potential therapeutic strategies for these conditions.