4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4689-10-IOX10 Custom PBDE Mixture, 10ug/mL, 5 comonents 1961. PBDE 28 1967. PBDE-99 1968. PBDE-100 1971. PBDE-153 1972. PBDE-154 Price on request 95887 2-Chloroethanol Level 100 Price on request 1285.26-K-IO 1-Hexacosanol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-52-5 Price on request