It? white or similar white powder , odorless , a little fishy smell and bitter in taste , taking from bile of pigs .It? very easy to dissolve in ethanol , slightly solublea in acetone , ethyl acetate , chloroform and aether ,but it is insoluble in water. It is not only one of the biggest dosage of medicine to treat the gall stome in world but also the basis of ursodesoxycholic acid or other steroids ,and it can be used to distinguish between the real and imitation Calculus Bovis Ariifactus .

Hyodeoxycholic Acid:
Molecular Formula C24H40O4 Product name Hyodeoxycholic Acid
Chemistry name 3|á??6|á?-dihydroxy?-5|??-cholanic acid Molecular Weight 392??58
CAS 474-25-9 Loss on drying 1.0?¨%??
Appearance White powder Assay HPLC90-99?¨%??
Melting Point 195?¨???? Guarantee period 24?¨M??