Lactulose
(4-O-beta-D-galactopyranosyl-D-fructose)
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| CAS No. | 4618-18-2 |
| Molecular Formula | C12H22O11 |
| Molecular Weight | 342.3 g/mol |
| Appearance | White crystalline powder |
| Melting Point (Kofler) | 169°C - 172°C |
| Specified Optical Rotation | [a]D20 -49° ± 2° (c=5,H2O) |
| Assay | Min. 98.0% (HPLC) |
| IR Spectrum | Complies with the structure |
| 5% Solution In Water | Clear, colourless |
| Water By Karl Fischer | Not more than 1.0% |
| Sulphated Ash | Not more than 0.1% |
| Lead | Not more than 0.0005% |