2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 10137.6-10MG N-Nitrosobis(2-hydroxylpropyl)amine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53609-64-6 Price on request 0389.14-K-IO Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1517-22-2 Price on request PCN-LCS-A PCN Extraction Standard Solution, 1.2mL, nonane Price on request