WASHINGTON, Oct 5 (Reuters) - The U.S. Securities and Exchange Commission has charged the Canadian company CanaFarma Hemp Products Corp and its co-founders with fraudulently raising about $15 million from investors, and misappropriating a significant portion of the funds for personal use and other unrelated purposes, the SEC said on Tuesday. (Reporting by Eric Beech; Writing by Mohammad Zargham; Editing by Leslie Adler)