ATTENTION:Please check the 'Last Update' date on the federal and state data. Due to the social distancing and remote work going on around the country, we expect delays in getting the most up to date data. We want everyone to stay safe out there whether it is from COVID-19 or using unregistered pesticides. If you have questions about the data displayed, please contact the US EPA or the individual state pesticide registration department. We will be working hard to keep these websites available. If you have website issues, the best way to contact us is by email at: npirs@ceris.purdue.edu.



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Search by the two-part EPA registration number. You can copy/paste the complete EPA Registration Number into any of the boxes above.


Search by the full or partial product name.


Search by the EPA assigned company number or the full or partial company name.


Search by the PC code, Chemical Abstract Services Number (CAS) or the full or partial chemical name.