Quinoxaline-2-carboxylic acid Back Catalog number: 71493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10218.11-100-ME n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0 Price on request 94231 525 Spike Mix Price on request PCB-A10-CS5-11 Individual Calibration Solutions, 200uL, nonane Price on request