Purchase Qty. Reference FOB Price
1-99 kg US$30.00
100-999 kg US$20.00
1,000+ kg US$5.00
Product Description
L-tryptophan is a neutral aromatic amino acid containing indole groups, which is a white or slightly yellow leaf shaped crystal or powder with a solubility of 1 14g (25 ° C), soluble in dilute acid or alkali, relatively stable in alkaline solution, decomposed in strong acids. Slightly soluble in ...