Aroclor 1221 Back Catalog number: 70016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678057 Triisobutyl phosphate, 1000mg Price on request 98351 3-Iodo-2-propynyl N-butylcarbamate Price on request 3492.10-100 Propetamphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31218-83-4 Price on request