2,3,3',4,4',5,5'-Heptachlorobiphenyl (189) Back Catalog number: 66189 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 56111 Sodium (Na) Price on request 2804.24-K-ME Medroxyprogesterone acetate,1000 µg/mL,MeOH,1mL, Price on request 677536 Cyanazine, 250mg Price on request