4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10733.18-K-ME 1-Octadecene, analytical grade, 99.5% Price on request 0100.20-200-T 3,9-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-51-8 Price on request 12035.19-5MG 4-ANPP,neat,neat,5mg, Price on request