Profenofos, 100 µg/ml, Toluene, 1ml Back Catalog number: 677990 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3319.6-100-DC alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6 Price on request 79296 Endosulfan sulphate Price on request 0059.19-10MG 6H-Benzo[cd]pyren-6-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3074-00-8 Price on request