2,2’,3,4’,5,5’,6-Heptachlorobiphenyl (187) Back Catalog number: 66187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38178 Aldehyde Test Mix Price on request 57140 Zirconium (Zr) Price on request 3032.9-100-ME trans-2-Nonene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 6434-78-2 Price on request