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Lactose
CAS: 63-42-3 | C12H22O11
2D Structure
3D Structure
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Basic Information
CAS Registry Number:
63-42-3
Molecular Formula:
C12H22O11
Molecular Weight:
342.2970000000001 g/mol
Names and Synonyms:
Lactose
Common Name
Leprino 100
Synonym
Hilmar 5030
Synonym
Respitose SV 001
Synonym
Lactopure Refined Powder
Synonym
Hilmar Fine Graind
Synonym
Lactose DCL 21
Synonym
Hilmar Extra Fine
Synonym
DuraLacH
Synonym
FlowLac
Synonym
GranuLac
Synonym
America Grand Lactose
Synonym
Tablettose 100
Synonym
Inhalac 250
Synonym
Lactose DCL 11
Synonym
LE-PRO LAC 451
Synonym
Respitose MC 001
Synonym
Respitose SV 010
Synonym
Dairylac 80
Synonym
Inhalac 70
Synonym
DCL 15
Synonym
Respitose ML 006
Synonym
SuperTab 11SD
Synonym
PrenoLakt
Synonym
Variolac 960
Synonym
Lactohale 200
Synonym
Lactohale 100
Synonym
Granulac 140
Synonym
Granulac 70
Synonym
Respitose ML 001
Synonym
SuperTab 21AN
Synonym
Lactose Edible 90
Synonym
Dilactose
Synonym
Sorbolac 400
Synonym
Lactohale 300
Synonym
Respitose ML 003
Synonym
Pharmatose DCL 15
Synonym
Spherolac
Synonym
Sachelac
Synonym
Prismalac
Synonym
Respitose SV 003
Synonym
Granulac 140M
Synonym
DCl 11
Synonym
Sorbalac 400
Synonym
Pharmatosa DCL 21
Synonym
Super-Tab
Synonym
Tablettose 80
Synonym
Flowlac 100
Synonym
Lactose anhydride
Synonym
Tablettose 70
Synonym
Nonpareil 107
Synonym
Pharmatose 325M
Synonym
Pharmatose 21
Synonym
Fast-Flo Lactose
Synonym
Lactose Fast-flo
Synonym
Zeparox EP
Synonym
AHL
Synonym
Fast-flo
Synonym
Tablettose
Synonym
D-(+)-Lactose
Synonym
Osmolactan
Synonym
Galactinum
Synonym
Aletobiose
Synonym
Lactose anhydrous
Synonym
(+)-Lactose
Synonym
Lactin (carbohydrate)
Synonym
Saccharum lactin
Synonym
Milk sugar
Synonym
Lactobiose
Synonym
Lactin
Synonym
4-O-β-D-Galactopyranosyl-D-glucose
Synonym
Lactose
Synonym
D-Glucose, 4-O-β-D-galactopyranosyl-
Synonym
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.
All Properties
Comprehensive physical and chemical properties
Physical Properties
| Property | Value | Source |
|---|---|---|
| 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 |
| LogP | -5.554599999999993 | RDKit |
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 |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 69.81040000000004 | RDKit |