Piperonyl butoxide Back Catalog number: 94463 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2078.6-K-IP 3,5-Dichlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 591-35-5 Price on request 2558.8-1ML Styrene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-42-5 Price on request 681070 Ketoprofen, 100 µg/ml, Methanol, 1ml Price on request