Quinoxaline-2-carboxylic acid Back Catalog number: 91819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended SC-492213 4'-Aminoazobenzene-4-sulphonic acid, 1g Price on request 71033 2-(2-Butoxyethoxy) ethylacetate Price on request 34054 EPA Method 552.1 - Haloacetic Acids Price on request