Tomelukast

DB20018ExperimentalSmall molecule

Tomelukast is a small molecule drug. The usage of the INN stem '-lukast' in the name indicates that Tomelukast is a leukotriene receptor antagonist. Tomelukast has a monoisotopic molecular weight...

Chemical structure of Tomelukast
Formula / weight
C16H22N4O3 · 318.377 g/mol (avg)
Code names
LY-171833 · LY-171883

Resolves to

Structure
InChIKeyMWYHLEQJTQJHSS-UHFFFAOYSA-NSMILESCCCC1=C(OCCCCC2=NN=NN2)C=CC(C(C)=O)=C1O

What you can answer from here — as of September 12, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action
Listed above
1+ReferenceStructured and connected to the statements they support
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Which drugs share a target with Tomelukast, and which of those have an active Phase 3 trial?

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