L-Tyrosine Back Catalog number: 72282 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15535000 Nitenpyram, certified, 0.1g Price on request 9191.8-10MG Caffeine-d3 (1-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26351-03-1 Price on request 2527.11-100-ME 4-Isobutylbenzoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 38861-88-0 Price on request