2-Butanone Back Catalog number: 79253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0201.18-200-T Benz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-55-3 Price on request 73331 2,6,10-Trimethyldodecane Price on request 53029 Spike Sample Standard 2A (Water) Price on request