β-lactose

chemical compound

Set it in the stick Read “Lactose” on Wikipedia

A skeletal formula: each corner and end of a line is a carbon atom, and the hydrogens bonded to carbon are left unwritten. A wedge points out of the page, and a hashed bond into it.

Formula: C₁₂H₂₂O₁₁; Wikidata
Molar mass The mass of a mole of it, from the elements' atomic weights: 342.30 g/mol; Worked out
Made of Atoms in one formula unit, and each element's share of the mass: Carbon 12 42.1%
Hydrogen 22 6.48%
Oxygen 11 51.4%
45 atoms in all; Worked out
Other names: 4-O-beta-D-galactopyranosyl-beta-D-glucopyranose, Galb1-4Glcb, Galbeta1-4Glcbeta, beta-D-Galp-(1->4)-beta-D-Glcp and lactose; Wikidata
Same formula Other compounds made of the same atoms: sucrose, maltose, β-lactulose, alpha,alpha-trehalose, cellobiose, isomaltulose, β-gentiobiose (closed ring), isomaltose, turanose, allolactose, melibiose, nigerose; Wikidata
CAS Registry Number: 63-42-3; Wikidata
PubChem: CID 6134; Wikidata
InChIKey: GUBGYTABKSRVRQ-DCSYEGIMSA-N; Wikidata
SMILES: C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](O[C@H]([C@@H]([C@H]2O)O)O)CO)O)O)O)O; Wikidata
Wikidata item: Q127900; Wikidata