Min. Order Reference FOB Price
1 kg US$5.00-35.00 / kg
Product Description
China sell food additives Tryptophan / L-Tryptophan Cas 73-22-3 Product Description Product name L-Tryptophan CAS NO 73-22-3 Molecular formula C11H12N2O2 Molecular weight 204.23 Specifications 99% Appearance White crystalline powder Grade Food additive grade ...