Pyrazophos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678106 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 673955 gamma-HCH, 100 µg/ml, Cyclohexane, 5ml Price on request 9878.17-50-IO 1,2,5-Trimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 146448-87-5 Price on request ME 20100 Aqueous Ethanol Standard (1.0g/l), 10 x 1,2ml Price on request