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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 Mass:
342.30 g/mol
Names and Synonyms:
Lactose
D-Glucose, 4-O-β-D-galactopyranosyl-
Lactose
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
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
Key Properties
Melting Point
201-202 °C
CAS Common Chemistry
Density
1.52 g/cm³
CAS Common Chemistry
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 342.30 g/mol | CAS Common Chemistry |
| 342.2970000000001 g/mol | RDKit | |
| 342.11621152399994 g/mol | RDKit | |
| Density | 1.52 g/cm³ | CAS Common Chemistry |
| 1.52 g/cm3 | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Lactose | CAS Common Chemistry |
| Canonical SMILES | O=CC(O)C(O)C(OC1OC(CO)C(O)C(O)C1O)C(O)CO | CAS Common Chemistry |
| 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 | CAS Common Chemistry |
| InChI Key | InChIKey=DKXNBNKWCZZMJT-JVCRWLNRSA-N | CAS Common Chemistry |
| Melting Point | 201-202 °C | CAS Common Chemistry |
| Name | (+)-Lactose | CAS Common Chemistry |
| Lactose | CAS Common Chemistry | |
| Heavy Atom Count | 23 | RDKit |
| Hydrogen Bond Acceptors | 11 | RDKit |
| Hydrogen Bond Donors | 8 | RDKit |
| Rotatable Bonds | 8 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 197.36999999999998 Ų | RDKit |
| LogP | -5.554599999999993 | RDKit |
| Molar Refractivity | 69.81040000000004 | RDKit |
