PCB No. 21, 100µg/ml in Isooctane, 1ml Back Catalog number: 66021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-IADN-SET IADN Congener Set ((C-IADN-01/02/03), 3 x 1ml Price on request 71858 2,4’-Methoxychlor Price on request 73472 2-{[2-(Dimethylamino)ethyl]methylamino}ethanol Price on request