[4,8-Bis[5-(2-ethylhexyl)thieno[3,2-b]thiophen-2-yl]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl]bis(trimethylstannane)>97.0%(HPLC)200mg

I hereby confirm that:-That the substances, preparations and products are only used in an authorized manner (in accordance with European and national legislation), use these products only for research, scientific and educational purposes. The substance(s) ordered: -Not used to produce substances or to serve as a component or intermediate of narcotic drugs and/or psychotropic substances. -Not used in medicinal products for human or veterinary use, agriculture, food or cosmetics, except as a raw material, auxiliary or operating material and/or as a research and analytical reagent. - Not used to develop or produce chemical weapons - Not used for military or illegal purposes. - do not re-export the item(s) to third parties countries without prior approval of the export control authorities. -Will not be re-exported/exported or otherwise resold or transferred domestically or internationally to any destination subject to an EU, UN or US embargo, if that act would be contrary to the conditions of that embargo. - Only supplies the mentioned products to customers who can also provide such an End Use Certificate. We will carefully store all certificates received and provide them upon request. - I am over 18 years old.