1.0 2011-09-21 00:10:13 UTC 2025-11-19 02:41:08 UTC FDB022215 Lactulose A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887) [HMDB] (2S,3R,4S,5R,6R)-2-[(2R,3S,4S,5R)-4,5-Dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol 4-O-b-D-galactopyranosyl-D-Fructofuranose 4-O-b-D-Galactopyranosyl-D-fructose 4-O-beta-D-galactopyranosyl-D-Fructofuranose 4-O-beta-D-Galactopyranosyl-D-fructose 4-O-beta-delta-galactopyranosyl-delta-Fructofuranose 4-O-beta-delta-Galactopyranosyl-delta-fructose 4-O-β-D-galactopyranosyl-D-fructofuranose 4-O-β-D-galactopyranosyl-D-fructose Bifiteral Cephulac D-Lactulose delta-Lactulose Lactulosa Lactulose Lactulosum C12H22O11 342.2965 342.116211546 (2S,3R,4S,5R,6R)-2-{[(2R,3S,4S)-4,5-dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol actilax 4618-18-2 [H][C@]1(CO)OC(O)(CO)[C@@]([H])(O)[C@]1([H])O[C@]1([H])O[C@]([H])(CO)[C@]([H])(O)[C@]([H])(O)[C@@]1([H])O InChI=1S/C12H22O11/c13-1-4-6(16)7(17)8(18)11(21-4)22-9-5(2-14)23-12(20,3-15)10(9)19/h4-11,13-20H,1-3H2/t4-,5-,6+,7+,8-,9-,10+,11+,12?/m1/s1 JCQLYHFGKNRPGE-DNMRROERSA-N belongs to the class of organic compounds known as o-glycosyl compounds. These are glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond. O-glycosyl compounds Organic compounds Organic oxygen compounds Organooxygen compounds Carbohydrates and carbohydrate conjugates Aliphatic heteromonocyclic compounds Acetals C-glycosyl compounds Disaccharides Hemiacetals Hydrocarbon derivatives Oxacyclic compounds Oxanes Polyols Primary alcohols Secondary alcohols Tetrahydrofurans Acetal Alcohol Aliphatic heteromonocyclic compound C-glycosyl compound Disaccharide Hemiacetal Hydrocarbon derivative O-glycosyl compound Organoheterocyclic compound Oxacycle Oxane Polyol Primary alcohol Secondary alcohol Tetrahydrofuran Solid logp -3.26 ALOGPS logs 0.36 ALOGPS solubility 7.92e+02 g/l ALOGPS logp -4.5 ChemAxon pka_strongest_acidic 10.28 ChemAxon pka_strongest_basic -3 ChemAxon iupac (2S,3R,4S,5R,6R)-2-{[(2R,3S,4S)-4,5-dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol ChemAxon average_mass 342.2965 ChemAxon mono_mass 342.116211546 ChemAxon smiles [H][C@]1(CO)OC(O)(CO)[C@@]([H])(O)[C@]1([H])O[C@]1([H])O[C@]([H])(CO)[C@]([H])(O)[C@]([H])(O)[C@@]1([H])O ChemAxon formula C12H22O11 ChemAxon inchi InChI=1S/C12H22O11/c13-1-4-6(16)7(17)8(18)11(21-4)22-9-5(2-14)23-12(20,3-15)10(9)19/h4-11,13-20H,1-3H2/t4-,5-,6+,7+,8-,9-,10+,11+,12?/m1/s1 ChemAxon inchikey JCQLYHFGKNRPGE-DNMRROERSA-N ChemAxon polar_surface_area 189.53 ChemAxon refractivity 68.77 ChemAxon polarizability 31.56 ChemAxon rotatable_bond_count 5 ChemAxon acceptor_count 11 ChemAxon donor_count 8 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1050 Specdb::MsMs 1051 Specdb::MsMs 1052 Specdb::NmrOneD 1512 Specdb::NmrTwoD 1458 HMDB00740 #<Reference:0x000055ce3095d9a0> #<Reference:0x000055ce3095d7e8> #<Reference:0x000055ce3095d478> #<Reference:0x000055ce3095d270> #<Reference:0x000055ce3095cc80> #<Reference:0x000055ce3095c8e8> #<Reference:0x000055ce3095c5a0> #<Reference:0x000055ce3095c258> #<Reference:0x000055ce30903f90> #<Reference:0x000055ce30903dd8> #<Reference:0x000055ce309039c8> #<Reference:0x000055ce30903608> #<Reference:0x000055ce30903220> #<Reference:0x000055ce30902d20>