Pyrethrins, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678493 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52020 Verification II Standard 2 Price on request 13900-0030-100ME5 Tri-iso-butyl phosphate, 100µg/ml in MeOH, 5ml Price on request 2663.10-100-AN Toxaphene Price on request