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Lactose

CAS: 63-42-3 | C12H22O11

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 63-42-3
Molecular Formula: C12H22O11
Molecular Weight: 342.2970000000001 g/mol

Names and Synonyms:

Lactose
Leprino 100
Hilmar 5030
Respitose SV 001
Lactopure Refined Powder
Hilmar Fine Graind
Lactose DCL 21
Hilmar Extra Fine
DuraLacH
FlowLac
GranuLac
America Grand Lactose
Tablettose 100
Inhalac 250
Lactose DCL 11
LE-PRO LAC 451
Respitose MC 001
Respitose SV 010
Dairylac 80
Inhalac 70
DCL 15
Respitose ML 006
SuperTab 11SD
PrenoLakt
Variolac 960
Lactohale 200
Lactohale 100
Granulac 140
Granulac 70
Respitose ML 001
SuperTab 21AN
Lactose Edible 90
Dilactose
Sorbolac 400
Lactohale 300
Respitose ML 003
Pharmatose DCL 15
Spherolac
Sachelac
Prismalac
Respitose SV 003
Granulac 140M
DCl 11
Sorbalac 400
Pharmatosa DCL 21
Super-Tab
Tablettose 80
Flowlac 100
Lactose anhydride
Tablettose 70
Nonpareil 107
Pharmatose 325M
Pharmatose 21
Fast-Flo Lactose
Lactose Fast-flo
Zeparox EP
AHL
Fast-flo
Tablettose
D-(+)-Lactose
Osmolactan
Galactinum
Aletobiose
Lactose anhydrous
(+)-Lactose
Lactin (carbohydrate)
Saccharum lactin
Milk sugar
Lactobiose
Lactin
4-O-β-D-Galactopyranosyl-D-glucose
Lactose
D-Glucose, 4-O-β-D-galactopyranosyl-

Identifiers:

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
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

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 342.2970000000001 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 342.11621152399994 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 23 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 11 count RDKit
Hydrogen Bond Donors 8 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 8 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 197.36999999999998 Ų RDKit

Physical Properties

Property Value Source
LogP -5.554599999999993 RDKit
molecular_mass 342.30 g/mol Legacy Database
density 1.52 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Lactose None Legacy Database
cas-canonical-smile O=CC(O)C(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)CO None Legacy Database
cas-density 1.52 g/cm3 None Legacy Database
cas-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 None Legacy Database
cas-inchi-key InChIKey=DKXNBNKWCZZMJT-JVCRWLNRSA-N None Legacy Database
cas-melting-point 201-202 °C None Legacy Database
cas-name (+)-Lactose None Legacy Database
wikipedia-name Lactose None Legacy Database

Molar

Property Value Source
Molar Refractivity 69.81040000000004 RDKit

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