Quinoxaline-2-carboxylic acid Back Catalog number: 71493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10589.21-50-T 3,3',5,5'-Tetrabromobisphenol A diglycidyl ether,50 µg/mL ,toluene,1mL Price on request 72173 L-Glutamic acid Price on request 71696 Phenylacetic acid Price on request