PSA-Mix 9 Back Catalog number: 680494 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 20328 Semi-Volatile Standard Price on request 8868.8-K-IO 5,6,7,8-Tetrahydroquinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 70528 Allethrin Price on request