Geranyl pyrophosphate is an intermediate in the mevalonate pathway. It is formed from dimethylallyl pyrophosphate (DMAPP; Item No. 63180) and isopentenyl pyrophosphate by geranyl pyrophosphate synthase.{32360} Geranyl pyrophosphate is used in the biosynthesis of farnesyl pyrophosphate (Item No. 63250), geranylgeranyl pyrophosphate (Item No. 63330), cholesterol, terpenes, and terpenoids.