Flunitrazolam (also known as FNTZ or Flunazolam) belongs to the class of triazolobenzodiazepines (TBZD), a group of derivatives stemming from benzodiazepines (BZD). This compound has gained popularity as a designer drug available for purchase online. It exhibits pronounced hypnotic and sedative effects resembling those of closely related substances like Flunitrazepam, clonazolam, and flubromazolam.
The emergence of Flunitrazolam in the market was officially documented when an analytical laboratory in Germany reported its presence to the EMCDDA Early Warning System in October 2016. Notably, there was no prior mention of this compound in scientific or patent literature. Flunitrazolam can be regarded as the triazole counterpart of Flunitrazepam (commonly known as Rohypnol). What sets it apart is the incorporation of the triazole ring into its structure, a modification that significantly enhances its potency. As anecdotal reports suggest, Flunitrazolam is purportedly active even at minute microgram levels, making it active at doses as low as 0.1 mg.

IUPAC name
CAS Number2243815-18-9 
PubChem CID137700379
Chemical and physical data
Molar mass337.307 g·mol−1


1. What is Flunitrazolam?

Flunitrazolam is a chemical compound classified as a triazolobenzodiazepine (TBZD). It is a derivative of benzodiazepines (BZD), which are a class of psychoactive substances known for their sedative and anxiolytic effects.

2. Is Flunitrazolam legal?

The legal status of Flunitrazolam varies from one jurisdiction to another. It is often considered a controlled or illegal substance in many countries due to its potential for abuse and associated health risks. It is essential to check the specific regulations in your region to determine its legal status.

3. What are the effects of Flunitrazolam?

Flunitrazolam is primarily known for its hypnotic and sedative effects. Users often report feelings of relaxation, drowsiness, and reduced anxiety. It may also induce amnesia, impair coordination, and result in a loss of inhibitions, similar to other benzodiazepines.

4. How is Flunitrazolam typically used?

Flunitrazolam is usually taken orally, either in its pure form or as a solution. It’s crucial to be cautious with dosing, as the substance is highly potent, and even small amounts can lead to substantial effects. Users are advised to start with the lowest possible dose and avoid mixing it with other substances.

5. What are the risks associated with Flunitrazolam use?

Like other benzodiazepines, Flunitrazolam use carries several risks, including addiction potential, tolerance development, withdrawal symptoms upon discontinuation, and impaired cognitive and motor functions. Overdosing on Flunitrazolam can be life-threatening, and mixing it with other substances, particularly alcohol, can be extremely dangerous.

6. Is Flunitrazolam safe to use?

The safety of Flunitrazolam is a matter of concern. Due to its high potency and potential for misuse, it is generally not considered safe for recreational use. The substance has not undergone the rigorous testing and regulatory approvals typically required for pharmaceutical drugs.

7. Can Flunitrazolam be detected in drug tests?

Yes, Flunitrazolam can be detected in drug tests, depending on the type of test and its specific components. It may not be included in standard drug panels, but specialized tests can identify its presence.

8. Is Flunitrazolam prescribed by medical professionals?

No, Flunitrazolam is not approved for medical use and is not prescribed by healthcare providers. It is considered a research chemical or designer drug and is not intended for legitimate medical applications.

9. Where can I get more information about Flunitrazolam?

It is essential to rely on reputable sources for information about Flunitrazolam. Scientific journals, government health agencies, and drug education websites can provide more detailed and accurate information. Always prioritize your safety and well-being when seeking information about psychoactive substances.

10. What should I do if I or someone I know is experiencing problems related to Flunitrazolam use?

If you or someone you know is struggling with substance abuse or experiencing adverse effects from Flunitrazolam use, seek help from a healthcare professional or addiction treatment centre. It’s essential to address these issues promptly for your well-being and safety.


  1. “Europol’s 2016 Annual Report on the Implementation of Council Decision 2005/387/JHA” (PDF).
  2. Cornett EM, Novitch MB, Brunk AJ, Davidson KS, Menard BL, Urman RD, Kaye AD (June 2018). “Exploring Novel Benzodiazepines for Sedation.” Published in Best Practice & Research. Clinical Anaesthesiology. Volume 32, Issue 2, Pages 149–164. doi: 10.1016/j.bpa.2018.06.007. PMID 30322456. S2CID 53501694.
  3. Ameline A, Richeval C, Gaulier JM, Raul JS, Kintz P (July 2018). “Unveiling Flunitrazolam: A New Designer Benzodiazepine, Investigated in Oral Fluid After Controlled Single Administration.” Published in the Journal of Analytical Toxicology. Volume 42, Issue 6, Pages e58–e60. doi: 10.1093/jat/bky012. PMID 29462316.
  4. Ameline A, Richeval C, Gaulier JM, Raul JS, Kintz P (February 2019). “Tracking the Designer Benzodiazepine Flunitrazolam: Detecting It in Urine and Initial Insights into Its Metabolism.” Published in Drug Testing and Analysis. Volume 11, Issue 2, Pages 223–229. doi: 10.1002/dta.2480. PMID 30109775. S2CID 52001932.

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