PAH - Mix 18, 50µg/ml in Acetonitrile, 5ml Back Catalog number: 14185-50AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 38169 RCRA Oxygenates Price on request 3479.23-100 d-(cis-trans)-Phenothrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26002-80-2 Price on request 9745.21-100-ME 11-OH-delta-9-THC, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request