Methyl quinoxaline-2-carboxylate Back Catalog number: 71494 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2189.4-50-ME Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4 Price on request 90642 Base/Neutrals Surrogate Standard Price on request 95207 Fluoranthene Price on request