4-Cholesten-3-one is an intestinal metabolite of Cholesterol. It shows an anti-obesity effect on animals.

2-Ethyloctanoic acid is a raw material for the production of dyes and can be used as a stabilizer and catalyst in the production of coatings.

2-Hexylthiophene, a weakly basic heteroaromatic compound, can enhance the molar absorption coefficient of ruthenium sensitizers by undergoing modification.