Also available in 1 mL, 1 mg, 5 mg, 25 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. 5,7,4'-Trimethoxyflavone (4',5,7-Trimethoxyflavone) is isolated from Kaempferia parviflora (KP) which is a medicinal plant from Thailand. Purity 97.53%