WS PCB Back Catalog number: 38034 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10112.18-50-IO 1,9-Dimethyl-5-ethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 9697.10-10MG 1,4-Dihydroxynaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 571-60-8 Price on request 81422 Ronnel (Fenchlorphos) Price on request