Campesterol

**Semantic type:** Organic Chemical|Pharmacologic Substance

**Definition:** A steroid derivative that is the simplest sterol, characterized by the hydroxyl group in position C-3 of the steroid skeleton, and saturated bonds throughout the sterol structure, with the exception of the 5-6 double bond in the B ring.

**Synonyms:** - (3Beta,24R)-Ergost-5-en-3-ol - 3 beta, 24R-ergost-5-en-3-ol - CAMPESTEROL