https://www.selleckchem.com/products/tak-861.html
Purpose To validate a LC-MS/MS method for the determination of 17 new synthetic opioids (NSOs) in hair including 3-fluorofentanyl, 3-methylfentanyl, acetylfentanyl, acetylnorfentanyl, alfentanyl, butyrylfentanyl, butyrylnorfentanyl, carfentanil, fentanyl, furanylfentanyl, furanylnorfentanyl, methoxyacetylfentanyl, norcarfentanil, norfentanyl, ocfentanil, sufentanil and U-47700, and to apply it to 137 authentic samples. Method Twenty milligrams of hair were decontaminated in dichloromethane and underwent liquid extraction. 10 μL of the r
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