... -99% 5.Free sample High quality Tyrosine supplier: Food grade: USP Medicine grade: AJI92Assay: 98.5%~100.5% ISO9001, ... TyrCertifications: ISO9001, HACCP, KOSHER, HALAL, FAMI-QS Grade: Food grade, Medicine grade Standard: USP, AJI MF: C9H11NO3Molecular Weight: 181.19CAS ... antibiotics, dopamine drugs 3. Feed grade: Tyrosine is used for preparation of artificial insects feed Specifications of L-Tyrosine: ...