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Lactulose

(4-O-beta-D-galactopyranosyl-D-fructose)



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%
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