Piperonyl butoxide Back Catalog number: 94476 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9314.12-100-IO 3,3',4-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-69-6 Price on request 3521.7-100 Triclopyr, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 55335-06-3 Price on request A14950020MC-100 Metazachlor ESA, 100µg/mL in Acetonitrile/MeOH, 1m Price on request