Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml Back Catalog number: 681953 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3440.5-100 DL-Methionine, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 59-51-8 Price on request 2701.11-100MG Cimetidine hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 70059-30-2 Price on request 19066 CLP - Purgeable Organic Matrix Spiking Solution Price on request