Record Information
public_id FDB001145
Chemical Information
name Lactose
description Occurs in mammalian milk (human 6-7%, cow 4-5%), fruits of sapodilla Achras sapota, and a few other plants. Nutrient. Obt. industrially from whey Lactose is a disaccharide sugar that is found most notably in milk and is formed from galactose and glucose. Lactose makes up around 2-8% of milk (by weight), although the amount varies among species and individuals. It is extracted from sweet or sour whey. [Wikipedia]
cas_number 63-42-3
created_at 2010-04-08 22:04:51
updated_at 2011-07-12 21:18:27
moldb_smiles OC[C@H]1O[C@@H](O[C@@H]2[C@@H](CO)OC(O)[C@H](O)[C@H]2O)[C@H](O)[C@@H](O)[C@H]1O
moldb_formula C12H22O11
moldb_average_mass 342.2965
moldb_inchi InChI=1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5+,6+,7-,8-,9-,10-,11?,12+/m1/s1
moldb_mono_mass 342.116211546
moldb_iupac (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-{[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxane-3,4,5-triol
Structure Thumb
Synonym Source
beta-D-Gal-1-4-D-Glc biospider
D-lactose biospider
Galactinum biospider
Glc-(4-1)Gal biospider
Lactin db_source
Lactobiose db_source
Milk sugar db_source
4-O-b-D-Galactopyranosyl-D-glucose, 9CI, 8CI db_source