Piperonyl butoxide Back Catalog number: 94476 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4148-200-ME EPA 604 Calibration Mixture as PFB derivatives 11 Analytes, each 200µg/mL in methanol; unit: 1x1mL 2071.7 4-Chloro-3-methylphenol [59-50-7] 2062.6 2-Chlorophenol [95-57-8] 2064.6 2,4-Dichlorophenol [120-83-2] 1406.8 2,4-Dimethylphenol [105-6 Price on request 8577.X-K-W Triton X-114 Price on request 676228 Parathion-methyl, 100 µg/ml, Toluene, 1ml Price on request