PCB Congeners Back Catalog number: 94990 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11735000 Coumarin, certified, 0.25g Price on request 8838.8-K-IO 2-t-Butylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 11216.23-100-IO Trixylyl phosphate, purified ion m/z 396 (pentamethyl),100 µg/mL,isooctane,1mL, Price on request