Silicon (Si) Back Catalog number: 57114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73158 Dodecanoic acid Price on request 1965.12-50-IO 2,3',4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-62-6 Price on request S-4240-2K-IP EPA 8040A, Mixture B S-4240 9 Analytes, 2mg/mL each in isopropanol 2-Chlorophenol 2-Methylphenol 4-Methylphenol 2,6-Dichlorophenol 2,4-Dimethylphenol 2,4-Dinitrophenol Dinoseb 2,3,4,6-Tetrachlorophenol 2,4,5-Trichlorophenol Price on request