CAS No.:72-18-4 MF:C5H11NO2 Appearance:white crystalline powder Use: L-valine is the human body essential amino acid ,also is one of three kinds of branched-chain amino acid ,because of its special structure and function ,it holds the specially important status in the human life metabolism.Also uses in the enriched food and so on . Packaging :25kg/drum or bag Payment term:T/T,L/C Delivery time :7days Min order :500kg