Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682762 Octanoic acid, 1000mg Price on request 51124 Internal Standard ASTM D-5307 Price on request 677110 D4-Quinoxyfen, 100 µg/ml, Acetonitrile, 1ml Price on request