1-Naphthalenesulfonic acid, 25g Back Catalog number: SC-251527 Availability: In the manufacturer's stock Price on request - + Recommended L429-PAR Method 429 Native PAH Stock Solution, 1.2ml, isooctane Price on request 9511.9-100-IO Sebuthylazine-d5 (ethyl-d5), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1219805-56-7 Price on request 675253 Tritosulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request