4-Aminoazobenzene Back Catalog number: 70917 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8509.18-K-IO 1,1,1,3,16,18,18,18-Octachlorooctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 1261.14-K-IO 2-Butylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1134-62-9 Price on request 94271 Aroclor Standard Price on request