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Molecule
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 Mass
- 342.30 g/mol
Identifiers
CAS Registry Number
63-42-3
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 Key
DKXNBNKWCZZMJT-JVCRWLNRSA-N
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
Names and Synonyms
- Lactose Common Name
- AHL Synonym
- Zeparox EP Synonym
- Lactose Fast-flo Synonym
- D-Glucose, 4-O-β-D-galactopyranosyl- Synonym
- Lactose Synonym
- 4-O-β-D-Galactopyranosyl-D-glucose Synonym
- Lactin Synonym
- Lactobiose Synonym
- Milk sugar Synonym
- Saccharum lactin Synonym
- Lactin (carbohydrate) Synonym
- (+)-Lactose Synonym
- Lactose anhydrous Synonym
- Aletobiose Synonym
- Galactinum Synonym
- Osmolactan Synonym
- D-(+)-Lactose Synonym
- Tablettose Synonym
- Fast-flo Synonym
- Fast-Flo Lactose Synonym
- Pharmatose 21 Synonym
- Pharmatose 325M Synonym
- Nonpareil 107 Synonym
- Tablettose 70 Synonym
- Lactose anhydride Synonym
- Flowlac 100 Synonym
- Tablettose 80 Synonym
- Super-Tab Synonym
- Pharmatosa DCL 21 Synonym
- Sorbalac 400 Synonym
- DCl 11 Synonym
- Granulac 140M Synonym
- Respitose SV 003 Synonym
- Prismalac Synonym
- Sachelac Synonym
- Spherolac Synonym
- Pharmatose DCL 15 Synonym
- Respitose ML 003 Synonym
- Lactohale 300 Synonym
- Sorbolac 400 Synonym
- Dilactose Synonym
- Lactose Edible 90 Synonym
- SuperTab 21AN Synonym
- Respitose ML 001 Synonym
- Granulac 70 Synonym
- Granulac 140 Synonym
- Lactohale 100 Synonym
- Lactohale 200 Synonym
- Variolac 960 Synonym
- PrenoLakt Synonym
- SuperTab 11SD Synonym
- Respitose ML 006 Synonym
- DCL 15 Synonym
- Inhalac 70 Synonym
- Dairylac 80 Synonym
- Respitose SV 010 Synonym
- Respitose MC 001 Synonym
- LE-PRO LAC 451 Synonym
- Lactose DCL 11 Synonym
- Inhalac 250 Synonym
- Tablettose 100 Synonym
- America Grand Lactose Synonym
- GranuLac Synonym
- FlowLac Synonym
- DuraLacH Synonym
- Hilmar Extra Fine Synonym
- Lactose DCL 21 Synonym
- Hilmar Fine Graind Synonym
- Lactopure Refined Powder Synonym
- Respitose SV 001 Synonym
- Hilmar 5030 Synonym
- Leprino 100 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 342.30 g/mol | CAS Common Chemistry |
| 342.2970000000001 g/mol | RDKit | |
| 342.297 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 |
| 197.37 Ų | RDKit | |
| LogP | -5.554599999999993 | RDKit |
| -5.5546 | RDKit | |
| Molar Refractivity | 69.81040000000004 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.9167 | RDKit |
| 0.92 | chempirical lib | |
| Exact Mass | 342.11621152399994 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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| Shift (ppm) | Multiplicity | Integration | Assignment |
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200 ppm
180
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| Shift (ppm) | DEPT | Assignment |
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Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 342.30 g/mol; density = 1.520 g/mL. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C12H22O11.
