Tribenoside 10310-32-4 high purity
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Items |
Standards |
Results |
Appearance |
Yellow to pale yellow, clear, viscous liqiud |
Complies |
Solubility |
insoluble in water, easily soluble in acetone, methanol and methylene choloride |
Complies |
Identification |
IR |
Complies |
Specific rotation [α]20/D, in methanol |
-31 ~ -40° |
-36° |
3,5,6-Tri-O-benzyl-1,2-O- isopropylidene-α-D-glucofuranose |
Max 0.5% |
Complies, 0.17% |
Benzaldehyde |
Max 0.5% |
Complies, 0.21% |
Dibenzyl ether |
Max. 0.3% |
Complies, 0.12% |
Total impurity |
Max. 2% |
Complies, 0.84% |
Heavy metals |
20 ppm |
Complies |
Assay by HPLC |
96% ~ 102% |
99.2% |
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