Purchase Qty. Reference FOB Price
1-24 kg US$45.00
25-99 kg US$28.00
100+ kg US$22.00
Product Description
Product Description Product name L-Tryptophan CAS No. 73-22-3 Appearance white powder Specification 99% Origin China Brand Shaanxi Laon L-Tryptophan is an important precusor substance of auxin biosynthesis in plant. It has the similar structure of IAA. It widely exists in higher plant. ...