Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2101.20-K-ME Di-n-hexyl phthalate Price on request 72825 Prosulfuron Price on request 79075 EPA Method 8330 Analyte Price on request