Internal Reference Standard Back Catalog number: 52187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3171.23-K-IO Methyl docosanoate (Methyl behenate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 929-77-1 Price on request 8913.14 5-Methyl-2,3',4,4'-tetrachlorodipehnylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 1531.22-100-TX10 Indeno[1,2,3-cd]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 203578-33-0 Price on request