PCB No. 154, 100µg/ml in Isooctane, 1ml Back Catalog number: 66154 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673594 Fenthion, 100 µg/ml, Ethyl acetate, 5ml Price on request 2700.8-K-ME Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4 Price on request 684308 Mefenpyr, 10mg Price on request