Acetorphine (often referring to etorphine) is an extremely potent synthetic opioid used mainly in veterinary medicine to immobilize large animals like elephants. It acts on opioid receptors in the central nervous system to produce powerful sedation and analgesia. Due to its extreme potency (thousands of times stronger than morphine), it is not used in humans and requires specialized handling, as even small exposures can be life-threatening. The directory classifies it as a discontinued API with a semi-synthetic source/manufacturing origin. Other names for this substance include Acetorfina and Acetorphinum. It is listed as a controlled drug substance (Schedule I).
Acetorphine
| CAS No | 25333-77-1 |
|---|---|
| Molecular Formula | C27H35NO5 |
| Molecular Weight | 453.6 g/mol |
| Synonyms | [(1R,2S,6R,14R,15R,19R)-19-[(2R)-2-hydroxypentan-2-yl]-15-methoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-yl] acetate |
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Frequently Asked Questions
Acetorphine (often referring to etorphine) is an extremely potent synthetic opioid used mainly in veterinary medicine to immobilize large animals like elephants.
The listed CAS number is 25333-77-1.
The listed molecular formula is C27H35NO5.
The listed molecular weight is 453.6 g/mol.
[(1R,2S,6R,14R,15R,19R)-19-[(2R)-2-hydroxypentan-2-yl]-15-methoxy-5-methyl-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,16-tetraen-11-yl] acetate.
The source lists Acetorfina and Acetorphinum.