Noroxymorphon hydrochloride





Noroxymorphone hydrochloride is a quarterly Naltrexone derivative. It stimulates the μ-receptors of the intestine, which stimulates intestinal peristalsis and thus acts against blockages. The principle of action is a new one, that attacks directly at the cause of the constipation. It is therefore used in the therapy of opiate-related constipation, if the effect of the usual laxatives is not sufficient.



C16H17NO4 • HCl

Molecular weight

323.77 g/mol

Molecular size


Controlled Substance




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Marius Hang

Marius Hang

International Division
Director API Export

Midas Pharma GmbH
Rheinstr. 49
55218 Ingelheim
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