Quinoxaline-2-carboxylic acid Back Catalog number: 71493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673844 D9-Chlormequat Chloride, 100 µg/ml , Deuterium ox Price on request 9282.28-K-ME Sildenafil citrate,1000 µg base/mL,MeOH,1mL Price on request 9053.6-K-IP 4-Chlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2138-22-9 Price on request