α-D-Lactose

C12H22O11CAS 14641-93-1342.30 g/mol

OHOOHOOHOHOOHHOHOHO
AcetalAlcoholEther

Properties

Molecular formula
C12H22O11
Molar mass
342.30 g/mol
Exact mass
342.1162 Da
Melting point
238 °C
logP
-5.40Crippen estimate
Polar surface area
189.5 Ų
H-bond donors / acceptors
8 / 11
Rotatable bonds
4
Stereocentres
R, S, S, R, R, S, R, R, S, 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
14641-93-1
SMILES
OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O
InChIKey
GUBGYTABKSRVRQ-XLOQQCSPSA-N
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

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Names and synonyms

4 names
  • α-D-Glucopyranose, 4-O-β-D-galactopyranosyl-
  • Lactose, α-
  • 4-O-β-D-Galactopyranosyl-α-D-glucopyranose
  • α-Lactose

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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.

Similar compounds

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

Same formula

Elsewhere