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1Fe-LSD, also known as 1-(ferrocenecarbonyl)-LSD or as SYN-L-234, is a psychedelic drug of the lysergamide family related to lysergic acid diethylamide (LSD).[1][2][3] It is thought to be a prodrug of LSD.[1][2][3] The drug was patented by Lizard Labs in 2024.[3] Subsequently, it was encountered online as a novel designer drug being sold in Germany in November 2025.[1][2] 1Fe-LSD as the hemi-L-tartrate salt has been sold in the form of blotter containing 200 μg per tab and micropills containing 300 μg per pill.[1][2] 1Fe-LSD contains ferrocene, an iron compound, which is an orange organometallic compound and is assumed to result in the distinctive orange color of 1Fe-LSD blotter and pills.[1][2] 1Fe-LSD is not an explicitly controlled substance in the United States[4] or in Canada.[5]

See also

References

  1. ^ a b c d e f “1Fe-LSD”. AIPSIN (in Russian). Retrieved 1 January 2026.
  2. ^ a b c d e f Yurchenko R, Yurchenko L, Galetskaya I, Navitski M (November 2025). Psychoactive products market observation. Trend analysis. Recent trends in the identification of psychoactive substances. doi:10.13140/RG.2.2.17433.68969. Retrieved 1 January 2026.
  3. ^ a b c WO 2024/028495, Stratford A, Williamson JP, ”Prodrugs of Substituted Ergolines”, published 8 February 2024, assigned to Synex Holdings BV 
  4. ^ Orange Book: List of Controlled Substances and Regulated Chemicals (January 2026) (PDF), United States: U.S. Department of Justice: Drug Enforcement Administration (DEA): Diversion Control Division, January 2026
  5. ^ “Controlled Drugs and Substances Act”. Department of Justice Canada. 5 December 2025. Retrieved 20 January 2026.