Picric acid, 100 µg/ml, Acetonitrile, 10ml Back Catalog number: 679577 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 91819 Quinoxaline-2-carboxylic acid Price on request 676815 Eicosane, 100 µg/ml, Hexane, 1ml Price on request 90325 Methyl-t-butyl ether Price on request