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 53020 Verification II Standard 2 Price on request 8530.23-100-AN Wortmannin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 19545-26-7 Price on request 676260 5-Amino-2-chlorotoluene-4-sulfonic acid, 250mg Price on request