1. Banaba leaf extract, cas number: 4547-24-4 2. Lagerstoemia Spesiosa L 3. Corosolic acid 2%,3%,5%,20% 4. Brown fine ... powder High quality Banaba leaf extract, Corosolic Acid, cas number: 4547-24-4Application: Pharmaceutical, Diabetes, keep fit. Funcational supplments ... toxic materials during store and transportation. Banaba leaf extract, Corosolic Acid, cas number: 4547-24-4