4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94972 Pesticide Mix # 2, 100ug/ml in Acetone, 1ml Price on request 1956.16-K-IO 2-Phenylnaphthalene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 612-94-2 Price on request 9114.13-100-IO Hydroxyisohexyl-3-cyclohexene carboxaldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 31906-04-4 Price on request