4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96995 VPH Calibration Standard - Draft 01-2012 Price on request 71583 2,3,6-Trichlorophenol-PFB derivative Price on request 79354 Sulfadimethoxine Price on request