The chemical Lactulose has a designated molecular formula of C12H22O11 and a molecular weight of 342.297 g/mol. Synonyms may include: 5-17-07-00214 (Beilstein Handbook Reference), Bifiteral, BRN 0093773, Cephulac, Chronulac, Duphalac, EINECS 225-027-7, 4-O-beta-D-Galactopyranosyl-D-fructofuranose, 4-O-beta-D-Galactopyranosyl-D-fructose, 4-O-beta-D-Galattopiranosil-D-fruttofuranosio [Italian], Isolactose, Lactulosa [INN-Spanish] (ChemID).