Napropamide, 100 µg/ml, Cyclohexane, 5ml Back Catalog number: 674695 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-23SSS Surrogate Standard Stock Solution, 1.2ml, nonane Price on request 70955 Indan Price on request 1960.12-50-IO 2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4 Price on request