PCB Congeners Mix #3 Back Catalog number: 92696 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9181 1,4-Phenylenediamine Price on request 9193.19-10MG Nortriptyline-d3 hydrochloride (N-methyl-d3) Price on request 676343 Nitrofen, 10.0 µg/ml, Cyclohexane, 10ml Price on request