2,3-Butanedione Back Catalog number: 72508 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended Y0000384 All-rac-alpha-tocopheryl acetate for peak id.,30mg Price on request 2540.7-10MG Paraxanthine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 611-59-6 Price on request 36003 Surrogate Standard Price on request