Aroclor 1221 in Transformer Oil Back Catalog number: 61221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0678.27-100-IO Cholest-3,5-diene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 747-90-0 Price on request 3956.15-1G Tetra-n-pentyltin, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 3765-65-9 Price on request 3660.6-1G 1,3,5-Tribromobenzene Price on request