Brief Description

W-18 is an analog of the μ-opioid receptor agonist fentanyl. It has been shown to be an extremely potent analgesic in the mouse phenylquinone writhing assay (IC50 = 3.7 ng/kg, compared to 38 μg/kg for morphine). The physiological and toxicological properties of this compound in humans are not known. This product is intended for forensic and research applications.

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Store at -20°C 2 years

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