The molecule is a steroid glucuronide anion that is the conjugate base of calcidiol 25-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3. It derives from a calcidiol. It is a conjugate base of a calcidiol 25-O-(beta-D-glucuronide).
(2S,3S,4S,5R,6S)-6-[(6R)-6-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(5S)-5-hydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-2-methylheptan-2-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate