PCB No. 112, certified, 5mg Back Catalog number: C20011200 Availability: In the manufacturer's stock Price on request - + Recommended 8423.10-10MG Pyrazon, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1698-60-8 Price on request 81204 EPA Method 8121 Surrogate Standard Price on request 73322 2,2,4-Trimethyl-1,3-pentanediol diisobutyrate Price on request