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 8369.6-10MG 2,3,5,6-Tetrachloroaniline, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3481-20-7 Price on request 3143.18-K-IO Octadecanoic acid (Stearic), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57-11-4 Price on request 58147 Silver (Ag) Price on request