Buy Cas 76-42-6 Oxycodone. Oxycodone, sold under various brand names such as Roxicodone and OxyContin (which is the extended release form), is a semi-synthetic opioid used medically for treatment of moderate to severe pain. It is highly addictive[14] and is a commonly abused drug.[15][16] It is usually taken by mouth, and is available in immediate-release and controlled-release formulations.[15] Onset of pain relief typically begins within fifteen minutes and lasts for up to six…