Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71939 1,5-Cyclooctadiene Price on request 2234.17-050-5AN Aflatoxin B2, 0.5 µg/ml, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 7220-81-7 Price on request 682730 4,4'-MDI, 1000mg Price on request