Best price brich bark extract betulin 98%,CAS No.:473-98-3

Product Name: Betulin
Other Name: Birch bark extract
Appearance: White fine powder
CAS NO: 473-98-3

Fructus cnidii extract,Cnidium Fruit Extract Osthole 98%,CAS No.:484-12-8

Product Name: Osthole
Appearance: Greenish yellow or white crystalline powder
CAS NO: 484-12-8

Natural Oroxylum indicum Extract powder Chrysin 98%,5,7-Dihydroxyflavone, CAS NO:480-40-0

Product Name: Chrysin
Appearance: Light yellow fine powder
CAS NO: 480-40-0

Stephania Root Extract Tetrandrine 98% for Anti-inflammatory anti-allergic

Product Name: Tetrandrine
Other Name: sinomenine
Appearance: Colorless needle crystal
CAS NO: 518-34-3