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Chem Service - Pyrifluquinazon is a very new insecticide based on a new mode of biological activity. Developed by Nichino/Nihon Nohyaku Co. Ltd in Japan, it is not yet listed in the 2008 Pesticide Manual or Crop Protection Handbook. Registration in Japan was approved in 2007 and a 20% formulation has been developed for Japan and China but it is not on the market yet. Registration in other countries has been started; approval of US registration is not expected until 2011.

Pyrifluquinazon has been assigned CAS #337458-27-2. Its formula is C₁₉H₁₅F₇N₄O₂ with M.P. 138-139°C

IUPAC name is 1-acetyl-1,2,3,4-tetrahydro-3-[(3-pyridylmethyl)amino]-6-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]quinazolin-2-one

CAS name is 1-acetyl-3,4-dihydro-3-[(3-pyridinylmethyl)amino]-6-[1,2,2,2-tetrafluoro-1-(trifluoromethyl)ethyl]-2(1H)-quinazolinone

High purity Pyrifluquinazon reference standards are now available exclusively from Chem Service in a 100mg size, P/N PS-2344.