Dioxaphetyl butyrate (INN; trade names Amidalgon, Spasmoxal) is an opioid analgesic which is a diphenylacetic acid derivative, related to other open-chain opioid drugs such as dextropropoxyphene, levacetylmethadol (LAAM), lefetamine and dimenoxadol.[2][3]
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Other names | Amidalgon, Spasmoxal |
Routes of administration | Oral, Other ROA Unknown |
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ECHA InfoCard | 100.006.731 |
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Formula | C22H27NO3 |
Molar mass | 353.462 g·mol−1 |
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It produces similar effects to other opioids, including dependence, euphoria, analgesia, sedation, constipation, dizziness and nausea.[4]
In the United States it is a Schedule I Narcotic controlled substance with an ACSCN of 9621 and a 2013 annual aggregate manufacturing quota of zero.[5]