chempirical

Lactose

C12H22O11CAS 63-42-3342.30 g/mol

Open in Covalent MOL file
OHOOHOOOHOHOHHOHOHO
AcetalAlcoholAldehydeEther

Properties

Molecular formula
C12H22O11
Molar mass
342.30 g/mol
Exact mass
342.1162 Da
Density
1.52 g/mL
Melting point
201–202 °C
logP
-5.55Crippen estimate
Polar surface area
197.4 Ų
H-bond donors / acceptors
8 / 11
Rotatable bonds
8
Stereocentres
R, R, R, S, R, R, S, R, Rin SMILES atom order

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless. Search the SDS library

Identifiers

CAS number
63-42-3
SMILES
O=C[C@H](O)[C@@H](O)[C@H](O[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O)[C@H](O)CO
InChIKey
DKXNBNKWCZZMJT-JVCRWLNRSA-N
InChI
InChI=1S/C12H22O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8-,9-,10+,11+,12-/m0/s1

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

71 names · show all
  • D-Glucose, 4-O-β-D-galactopyranosyl-
  • 4-O-β-D-Galactopyranosyl-D-glucose
  • Lactin
  • Lactobiose
  • Milk sugar
  • Saccharum lactin
  • Lactin (carbohydrate)
  • (+)-Lactose
  • Lactose anhydrous
  • Aletobiose
  • Galactinum
  • Osmolactan
  • D-(+)-Lactose
  • Tablettose
  • Fast-flo
  • AHL
  • Zeparox EP
  • Lactose Fast-flo
  • Fast-flo lactose
  • Pharmatose 21
  • Pharmatose 325M
  • Nonpareil 107
  • Tablettose 70
  • Lactose anhydride
  • Flowlac 100
  • Tablettose 80
  • Super-tab
  • Pharmatosa DCL 21
  • Sorbalac 400
  • DCl 11
  • Granulac 140M
  • Respitose SV 003
  • Prismalac
  • Sachelac
  • Spherolac
  • Pharmatose DCL 15
  • Respitose ML 003
  • Lactohale 300
  • Sorbolac 400
  • Dilactose
  • Lactose edible 90
  • SuperTab 21AN
  • Respitose ML 001
  • Granulac 70
  • Granulac 140
  • Lactohale 100
  • Lactohale 200
  • Variolac 960
  • PrenoLakt
  • SuperTab 11SD
  • Respitose ML 006
  • DCL 15
  • Inhalac 70
  • Dairylac 80
  • Respitose SV 010
  • Respitose MC 001
  • LE-PRO LAC 451
  • Lactose DCL 11
  • Inhalac 250
  • Tablettose 100
  • America grand lactose
  • GranuLac
  • FlowLac
  • DuraLacH
  • Hilmar extra fine
  • Lactose DCL 21
  • Hilmar fine graind
  • Lactopure refined powder
  • Respitose SV 001
  • Hilmar 5030
  • Leprino 100

Work with Lactose

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

D-(+)-Lactose monohydrate64044-51-5Hydrate Maltose monohydrate6363-53-7Hydrate, diastereomer Maltose69-79-4Diastereomer Cellobiose528-50-7Diastereomer

Similar compounds

Maltotriose1109-28-093 % similar Maltotetraose34612-38-993 % similar Maltopentaose34620-76-393 % similar Maltohexaose34620-77-493 % similar Maltoheptaose34620-78-593 % similar Lactitol585-86-469 % similar Maltitol585-88-669 % similar Melibiose585-99-967 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Isomaltulose13718-94-0 α-D-Lactose14641-93-1 Lactulose4618-18-2 Isomaltose499-40-1 Turanose547-25-1 Gentiobiose554-91-6 Sucrose57-50-1

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia