11 Facts About 25I-NBOMe


Carbon-11 labelled version of 25I-NBOMe, Cimbi-5, was synthesized and validated as a radiotracer for positron emission tomography in Copenhagen.

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For sublingual and buccal administration, 25I-NBOMe is often applied to sheets of blotter paper of which small portions are held in the mouth to allow absorption through the oral mucosa.

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One study has shown that 25I-NBOMe blotters have 'hotspots' of the drug and the dosage is not evenly applied over the surface of the paper, which could lead to overdose.

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Case reports of seven British males who presented to an emergency room following analytically confirmed 25I-NBOMe intoxication suggest the following potential adverse effects: "tachycardia, hypertension (4), agitation (6), aggression, visual and auditory hallucinations (6), seizures (3), hyperpyrexia (3), clonus (2), elevated white blood cell count (2), elevated creatine kinase (7), metabolic acidosis (3), and acute kidney injury (1).

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Recreational use of 25I-NBOMe carries a significant risk of both pharmacological and behavioral toxicity.

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Excessive concentrations of TXA2 could lead to thrombosis, which when coupled with 25I-NBOMe's vasoconstrictive effect, is a major risk factor for cardiac ischemia, a dangerous condition the symptoms of which are present in several toxicological reports.

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Reports of deaths and significant injuries have been attributed to the use of 25I-NBOMe, prompting some governments to control its possession, production, and sale.

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The website Erowid states that 25I-NBOMe is extremely potent and should not be snorted, and that the drug "appears to have led to several deaths in the past year.

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In June 2012, two teens in Grand Forks, North Dakota and East Grand Forks, Minnesota fatally overdosed on a substance that was allegedly 25I-NBOMe, resulting in lengthy sentences for two of the parties involved and a Federal indictment against the Texas-based online vendor.

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In January 2013, an 18-year-old in Scottsdale, Arizona, died after consuming 25I-NBOMe sold as LSD; a toxicology screening found no other drugs in the person's system.

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Specifically, 25I-NBOMe is an N-benzyl derivative of the phenethylamine molecule 2C-I, formed by adding a 2-methoxybenzyl onto the nitrogen (N) of the phenethylamine backbone.

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