Supplier Page from Aladdin Scientific Corporation for Val-Tyr
4-Amino-L-phenylalanine, HCl from Aladdin Scientific Corporation
Canthaxanthin from Aladdin Scientific Corporation
Hexamethonium hydroxide solution from Aladdin Scientific Corporation
N-Formyl-Nle-Leu-Phe-Nle-Tyr-Lys TFA from Aladdin Scientific Corporation