The molecule is an arabinono-1,4-lactone. It has a role as a Saccharomyces cerevisiae metabolite. It derives from a D-arabinonic acid. It is an enantiomer of a L-arabinono-1,4-lactone.
(3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-one