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Lactose

CAT: 1410-M15395-01Size: 500 mgDry Ice: NoHazardous: No
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CAT#:1410-M15395-01Size:500 mg
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Description
Lactose is a disaccharide sugar derived from galactose and glucose that is found in milk.
CAS Number
63-42-3
Stability
≥ 2 years
Purity
>98% (HPLC)
Weight
342.3
Molecular Formula
C12H22O11
Notes
Research use only, not for human use.
Receptor
Others

Chemical Information

(+)-Lactose

Lactose is a glycosylglucose disaccharide, found most notably in milk, that consists of D-galactose and D-glucose fragments bonded through a beta-14 glycosidic linkage. The glucose fragment can be in either the alpha- or beta-pyranose form, whereas the galactose fragment can only have the beta-pyranose form. It has a role as a human metabolite.

CAS Number63-42-3
PubChem CID440995
IUPAC Name(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol
Molecular FormulaC12H22O11
Molecular Weight342.30
XLogP-4.7
Topological Polar Surface Area190
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count11
Rotatable Bond Count4
Heavy Atom Count23
Formal Charge0
Complexity382
SMILES
C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O[C@@H]2[C@H](OC([C@@H]([C@H]2O)O)O)CO)O)O)O)O
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
InChIKey
GUBGYTABKSRVRQ-QKKXKWKRSA-N
Chemical Structure
2D Structure
2D structure of (+)-Lactose
CAS: 63-42-3
CID: 440995
Formula: C12H22O11
MW: 342.30
Interactive 3D Structure
Loading 3D structure...
View on PubChemRaw 3D data
Computed Properties
PropertyValue
Molecular Weight342.30
XLogP3-4.7
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count11
Rotatable Bond Count4
Exact Mass342.11621151
Monoisotopic Mass342.11621151
Topological Polar Surface Area190 Ų
Heavy Atom Count23
Formal Charge0
Complexity382
Isotope Atom Count0
Defined Atom Stereocenter Count9
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently-Bonded Unit Count1
Compound Is CanonicalizedYes

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