We are the largest manufactor of DL-Tyr in China. DL-Tyr is our advantage product. Guarantee high quality, lowest price and reliable service. Product Name: H-DL-Tyr-OH CAS#: 556-03-6 Synonyms: DL-Tyrosine Molecular Formula: C9H11NO3 Molecular Weight: 181.19 Packing: 25kg/Drum