Piperonyl butoxide, 1000µg/ml in MeOH, 1ml Back Catalog number: 71280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 33005 EPA Method 502/524 Fortification Solution Price on request 71895 2-Methylcatechol Price on request 36141 Oxamyl Price on request