Aroclor 1221 Back Catalog number: 70016R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2999.9-K-CY 2,2,5-Trimethylhexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 3522-94-9 Price on request 96323 PCB Congeners Price on request 8791.21-5UG C21 Tricyclic terpane X, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request