2-Butanone Back Catalog number: RM0053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11205.15-50-ME 1H,1H,2H,2H-Perfluoro-n-dodecyl acrylate-d3,50 µg/mL,MeOH,1mL, Price on request 9432.21 trans-Permethrin (isomer mix), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 61949-77-7 Price on request 71918 Acetic anhydride Price on request