D3-(±)-Naproxen, 100 µg/ml, Methanol, 1ml Back Catalog number: 677719 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1531.22-100-TX10 Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203578-33-0 Price on request 11285.8-100-AN Thiamethoxam-d3 (N-methyl-d3),100 µg/mL,acetonitrile,1mL, Price on request 678658 Ethofumesate-2-keto, 10mg Price on request