Digoxin

Botanical Name : Digitalis lanata

Common Name : Digoxin

Plant Part Used : Leaves

Composition: Digoxin

Description : White or Almost white powder, or colourless crystals
Identification    
a) Infrared Absorption : To corresponds with the reference spectrum
b) By HPLC : The retention time of the major peak in the chromatogram of the assay preparation corresponds to that of the standard preparation as obtained in the assay
c) By TLC : To corresponds with the standard solution
Loss on Drying : NMT 1.0% w/w
Residue on ignition : NMT0.5%
Related Glycosides : MT 3% of any related Glycosides as gitoxin
Organic volatile impurities : NMT 2000 µg/gm( the limits of Methelene chloride and chloroform)
Assay BY HPLC on dried basis : 95 to 101%