D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Back Catalog number: 684690 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676746 Sodium perchlorate monohydrate, 250mg Price on request C14233000 4-Hydroxy-4-methyl-2-pentanone, certified, 5ml Price on request 71647 n-Tetratetracontane Price on request