4-n-Nonylphenol, 100 µg/ml, Methanol, 1ml Back Catalog number: 680446 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9687.12-K-IO Dodecamethylcyclohexasiloxane, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 540-97-6 Price on request DD-123789-S 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request 681694 2,4,5-Trichlorophenol, 100 µg/ml, Methanol, 5ml Price on request