Profenofos Back Catalog number: 3489.11-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 97819 PCB Congeners (10 ppm) Price on request 0704.13-500-IO 1,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-41-1 Price on request 681309 4-Isopropylaniline, 100 µg/ml, Methanol, 5ml Price on request