Quinoxaline-2-carboxylic acid Back Catalog number: 91819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EN-1948IS Syringe Standard Solution, 1.2ml, nonane Price on request 9499.10-100 Clofibric acid, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 882-09-7 Price on request 96221 Piperonyl butoxide Price on request