PCB No. 204, 100µg/ml in Isooctane, 1ml Back Catalog number: 66204 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9425.8-K-ME Valproic acid-d4, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87745-17-3 Price on request 97494 Method 8141 Analytes Price on request 8684.14 Pyrifenox, , Solvent-, Unit , # of units-, Cas.no. 88283-41-4 Price on request