ChEBI: (9R,10S)-dihydroxyoctadecanoic acid is a dihydroxy monocarboxylic acid that is octadecanoic acid in which the two hydroxy groups are located at positions 9R and 10S. It has a role as a Brassica napus metabolite. It is a dihydroxy monocarboxylic acid and a hydroxyoctadecanoic acid. It is functionally related to an octadecanoic acid. It is an enantiomer of a (9S,10R)-dihydroxyoctadecanoic acid.