2,2',3,3',4,5',6,6'-Octachlorobiphenyl (201) Back Catalog number: 66201 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C17600200 Tolyltriazole, certified, 0.1g Price on request 681499 Doxycycline hyclate, 100 µg/ml, Methanol, 1ml Price on request 79050 Heptachlor epoxide Price on request