Product Name: Betulinic Acid Specification: 98% Test Method: HPLC Appearance: Off-White to White Powder CAS number: 472-15-1 Molecular Formula: C30H48O3 Molecular Weight: 456.71 Function: Betulinic acid can selectively kill human melanoma cells without killing healthy cells, and has the inhibitory effect on HIV - 1 infection. Besides, recent studies show that betulinic acid has the inhibitory effect on brain tumors, neuroectodermal tumors, leukemia and other malignant cells.www.apitechina.com