2-Butanone Back Catalog number: 97319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70215 m-Cresol Price on request 53081 Instrument Standard 5 Price on request 8706.12-5MG 2,2',3,4,4',5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-69-1 Price on request