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 XA14170000CY Hexachloro-1,3-butadiene, 100µg/ml in CYyclohexane, 1ml Price on request 73245 Pentoxifylline Price on request 8910.14 5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request