Clopyralid, 100 µg/ml, Acetone, 1ml Back Catalog number: 678474 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677351 Naphthalene, 10 µg/ml, Cyclohexane, 10ml Price on request 66090 2,2',3,4',5-Pentachlorobiphenyl (90) Price on request 9486.16-50-IO 1-Chloropyrene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34244-14-9 Price on request