Aroclor 1221 Back Catalog number: 90124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1818.10-1G 4-Cyclohexylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4441-63-8 Price on request 676969 Tolyltriazole, 100 µg/ml, Acetonitrile, 1ml Price on request 0444.15-500-IO 4H-Cyclopenta[def]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 203-64-5 Price on request