Product Name:

Tribenoside

CAS NO.:

10310-32-4

Molecular Formula:

C29H34O6

Molecular Weight:

478.6

Batch NO.:

20110528

Report Date:

2015.06.04

Quantity:

ITEMS OF TEST

STANDARDS

Appearance

white power 

Identification

IR spectrum should be consistent with the standard

Solubility

practically insoluble in water, very soluble in

acetone, in methanol and in methylene chloride.

Appearance of solution

Solution should be clear

Absorbance at 420 nm: NMT 0.10

Specific optical rotation

-31.0 to -40.0

Related substances

Impurity A: NMT 0.5%;

Impurity C: NMT 0.5%;

Impurity D: NMT 0.3%;

Any other impurity NMT 0.3%;

Tota impurity: NMT 2%

Heavy metals:

NMT 20ppm

Assay

96-102%

CONCLUSION

The goods above complies with our enterprise standard and EP5.0