L-Tyrosine Back Catalog number: 72282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71574 2,4,5-Trichlorophenol-PFB derivative Price on request 16130CS3 Calibration Verification Solution , 1mL, nonane Price on request C11044000 Carminic acid (E120), certified, 0.1g Price on request