4-Hydroxy-2-butanone Back Catalog number: 73685 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58003 Lithium (Li) Price on request 72074 1,2,3-Trichloropropane-d5 Price on request 677860 Diisoheptyl phthalate (tech mixture), 100mg Price on request