Piperonyl butoxide Back Catalog number: 96221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended T3260 3,4,5-Trifluoro-4'-(trans-4-propylcyclohexyl)biphenyl, >98%, 1g Price on request 683570 2-Nitroanisole, 1000mg Price on request 92772 Phthalate Standard, 2000µg/mL in acetone, 1ml Price on request