Lactose synonyms

1-beta-D-Galactopyranosyl-4-alpha-D-glucopyranose; Milk sugar; alpha-Lactose; alpha-D-Glucopyranose, 4-O-beta-D-galactopyranosyl-; 4-O-beta-D-Galactopyranosyl-alpha-D-glucopyranose; Anhydrous lactose


Graphical representations:


View large 3D structure

Molecular Formula: C12H22O11

Natural Isotopic Abundance Mass: 342.2964800000

Mono-Isotopic Molecular Masses:

  • C12N14: 342.116211549
  • C13N14: 354.156469603
  • C12N15: 342.116211549
  • C13N15: 354.156469603

InChI string: 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

IUPAC: (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3R,4S,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-oxane-3,4,5-triol

PubChem Compound (CID): 84571
KEGG Compound ID: C00243
CAS Registry number: 14641-93-1
ChEBI: 17716
EINECS: 238-691-8
PDB Compound ID: LBT

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.

InChI string and atom numbering calculated using ALATIS (Hesam Dashti, William M. Westler, John L. Markley, Hamid R. Eghbalnia, "Unique identifiers for small molecules enable rigorous labeling of their atoms", Scientific Data 4, Article number: 170073 (2017), doi:10.1038/sdata.2017.73,