4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96770 PAH Standard Price on request 11761.12-10-IO 2,2',3,4,4',5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 1965.12-50-IO 2,3',4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-62-6 Price on request