Hilaire Rouelle

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Hilaire Marin Rouelle (February 1718, Mathieu–April 7, 1779, Paris) was a French chemist. Commonly cited as the 1773 discoverer of urea, he was not the first to do so. Dutch scientist Herman Boerhaave had discovered this chemical as early as 1727.[1] Rouelle is known as "le cadet" (the younger) to distinguish him from his older brother, Guillaume-François Rouelle, who was also a chemist.


  1. ^ Kurzer, Frederick; Sanderson, Phyllis M. (1956). "Urea in the History of Organic Chemistry". Journal of Chemical Education (American Chemical Society) 33: 452–459. doi:10.1021/ed033p452. Retrieved 2011-10-11.