Quinoxaline-2-carboxylic acid Back Catalog number: 91819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ME 20200 Aqueous Ethanol Standard (2.0g/l), 10 x 1,2ml Price on request 97879 VOC Standard Price on request A17803300AL-100 Triclosan-methyl ether, 100µg/mL in Acetonitrile, 1ml Price on request