We are the prefessionalmanufactor of DL-Tyr in China. DL-Tyr is our advantage product. Guarantee high quality, lowest price and reliable price. Product Name: Ac-Tyr-OH CAS #: 537-55-3 Synonyms: N-Acetyl-L-Tyrosine Molecular Formula: C11H13NO4 Packaging:25kg/drum Appearance: White crystal or white crystalline powder