Birch bark extract
Betulin CAS: 473-98-3
Betulinic acid CAS: 472-15-1
Skyherb can provide specifications as follow:
Betulin 70% 90%98%
Betulinic acid 90%95%98%
Packing: 1~5kgs/bag, 25kgs/drum
Extracted from silver birch bark, betulin and betulinic acid, which are medicinal pentacyclic triterpene, has been investigated with the antitumor activity. Betulin, betulinic acid and many of their derivatives exhibit great promise as bioactive agents for the treatment of HIV. It is significant to study the pharmaceutical activities of betulin, betulinic acid and their derivatives.
