Ethyl 2-ethylhexanoate is a RIFM fragrance and an active ingredient in mosquito repellents.

Hyaluronic acid (HA) is an anionic nonsulfated glycosaminoglycan distributed widely throughout connective epithelial and neural tissues. It is unique among glycosaminoglycans in that it is nonsulfated forms in the plasma membrane instead of the Golgi and can be very large with its molecular weight often reaching the millions.

4-Nitrophenyl dodecanoate (p-Nitrophenyl laurate) is a substrate for lipase and can be used to assess lipase activity.