Sodium (3aR,7S,9S,9aR)-2,2,7-Trimethylhexahydro-[1,3]dioxolo[4',5':5,6]pyrano[3,2-d][1,3]dioxin-9-yl Sulfate is an intermediate in synthesizing D-Galactose-3-sulfate Potassium Salt (G155295). it is a sulfated conjugate of D-Galactose (G155250), a epimer of Glucose (G595000) that is found in milk and sugar beets as well as being synthesized by the body.