Quinoxaline-2-carboxylic acid Back Catalog number: 71493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73647 n-Butane Price on request 72300 2-Chlorobenzaldehyde Price on request 3602.10-K-IO 1,2,3,4-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 488-23-3 Price on request