USD $5.00-10.00 / Gram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
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betulin is an abundant, naturally-occurring triterpene
it is commonly isolated from the bark of birch trees and forms up to 30% of the dry weight of the extractive
it can be converted to betulinic acid which is biologically more active than betulin itself.
* botanical source:
betula platyphylla
*part used:bark
*assay:
betulin 20%,70%, 80%, 90%, 98%uv
betulinic acid 95%, 98%hplc
*appearance: yellow brown to white fine powder
*cas no.:473-98-3
*molecular formula: c30h50o2
*melting point:256–257 °c