1,2,3,4-Tetachloronaphthalene Back Catalog number: 79396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2620.32-10UG 17 alpha(H),21 alpha(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-25-7 Price on request S-4140-25-IO Nitrogen Calibration Set-Low Boiling Solvents Units: 1x1mL ampoules or 10mL screw-capped bottle Nitrogen introduced using Pyridine Catalogue No. Concentration Matrix: isooctane mg/kg (ppm) S-4140-0 Blank S-4140-03 0.3 Price on request 66127 3,3',4,5,5'-Pentachlorobiphenyl (127) Price on request