Dieldrin, 100 µg/ml, Methanol, 1ml Back Catalog number: 679445 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8730.12-K-IO Diethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 678464 Paraoxon-methyl, 10 µg/ml, Acetonitrile, 10ml Price on request 677562 L-Histidine hydrochloride monohydrate, 250mg Price on request