PCB Congeners Back Catalog number: 96901 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681127 D10-Diphenylamine, 100 µg/ml, Ethyl acetate, 1ml Price on request 685230 Ergocalciferol, 250mg Price on request 2903.20-10MG 17ß-Ethynylestradiol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4717-38-8 Price on request