No products were found matching your selection.

OpioidsAnalgesic-Class Research Compounds

Opioids are a class of compounds studied for their pain-relieving, sedative, and euphoric effects, acting primarily on mu, delta, and kappa opioid receptors in the central nervous system. This category includes natural, semi-synthetic, and synthetic agents such as morphine, codeine, fentanyl, and tramadol, used in research on analgesia, addiction, and neurobiology.