Skyherb has developed a method of isolating betulin and betulinic acid from birch bark and has successfully been producing commercial quantities for several years.
Product Description:
Resources: Birch bark
Main Components: Betulin, Betulinic acid, Betulin diacytate
Skyherb can provide the specifications of birch bark extract as follow:
-Betulin (CAS NO.: 473-98-3): 70%, 90%, 98%, tested by HPLC
-Betulinic acid (CAS NO.: 472-15-1): 50%, 90%, 98%; tested by HPLC