4-Formylphenyl 2,3,4,6-tetra-O-acetyl-β-d-galactopyranoside

The galactose ring in the title compound, C21H24O11, has a chair conformation with the substituted benzene ring occupying an equatorial position. The crystal packing features C—H...O interactions that lead to the formation of supramolecular layers in the ab plane