2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 63188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10343.20-10MG Amitriptyline-d3 hydrochloride (N-methyl-d3) Price on request 73259 Sitagliptin Price on request 10071.1-K-ME N-Nitromethanamine, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 598-57-2 Price on request