Methadone hydrochloride is a synthetic, long-acting opioid agonist used to treat severe, chronic pain and for detoxification/maintenance of opioid addiction. It acts on the central nervous system to block pain signals, reduce cravings, and prevent withdrawal symptoms. As a Schedule II controlled substance, it carries risks of addiction, abuse, and respiratory depression.
| CAS No. | 1095-90-5 |
| Molecular Weight (g/mol) | 345.9100 |
| Molecular Formula | C₂₁H₂₇NO•HCl |