PCB No. 121, 1000μg/ml in Isooctane, 1ml Back Catalog number: 63121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71569 o-Cresol-PFB derivative Price on request 3590.15-K-IO Mono-n-hexyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24539-57-9 Price on request 690500 Bifenox, 100mg Price on request