QC Standard 5 Back Catalog number: 56088 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72414 2,6-Dimethyl-4-heptanone Price on request 673547 Dicofol, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 673059 Chloral hydrate, 250mg Price on request