1-Butanol, 5ml Back Catalog number: 678324 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1581.2-100-ME Dicyanodiamide (Cyanoguanidine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 461-58-5 Price on request 94450 Pesticide Standard Price on request 10042.16-100ME Normorphine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 466-97-7 Price on request