2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 66188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2238.18-5MG Zearalenone, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 17924-92-4 Price on request NG-17604-1G Propionic acid sodium salt, 1g Price on request 82402 EPA Method 8240A Mix #2 Price on request