PCB No. 21, 100µg/ml in Isooctane, 1ml Back Catalog number: 66021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58069 Thulium (Tm) Price on request 3150.24-K-IO Tetracosanoic acid (Lignoceric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 557-59-5 Price on request MPFAC-MXA Mass-Labelled PFCAs and PFSAs Mix, 2µg/ml in MeOH, 1,2ml Price on request