2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194) Back Catalog number: 66194 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-IS-I40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2501.13-10-T 1-Methyldibenzothiophene, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 31317-07-4 Price on request 71922 n-Hexylcyclohexane Price on request