17alpha,20beta-Dihydroxy-4-pregnen-3-one Formula: C21H32O3 CAS#: 1662-06-2 MW: 332.48 [MS]  [Chemdraw]

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Species utilize 17alpha,20beta-Dihydroxy-4-pregnen-3-one in its chemical communication system Anabantiformes, Osphronemidae, Trichogastrinae   Trichogaster trichopterus      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Three spot gourami    Cypriniformes, Cyprinidae, Rasborinae   Barilius bendelisis      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Hamilton's barila    Perciformes, Eleotridae, Butinae   Bostrichthys sinensis      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Chinese black sleeper    Salmoniformes, Salmonidae, Salmoninae   Oncorhynchus mykiss      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Rainbow trout    Perciformes, Cichlidae, Pseudocrenilabrinae, Oreochromini   Oreochromis mossambicus      P ¦Category of the chemical signal A -   Attractant Al -   Allomone K -   Kairomone P -   Pheromone Sy -   Synomone¦   ¦(*) indicates that compound is active¦    Mozambique tilapia