Clinical data | |
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Routes of administration | oral |
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Chemical and physical data | |
Formula | C25H33N3O2 |
Molar mass | 407.558 g·mol−1 |
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1V-LSD or 1-valeryl-D-lysergic acid diethylamide is a psychotropic substance and a research chemical with psychedelic effects.[1] 1V-LSD is an artificial derivative of natural lysergic acid, which occurs in ergot alkaloids, as well as being an analogue of LSD.[2] 1V-LSD has been sold online until an amendment to the German NpSG was enforced in 2022 which controls 1P-LSD and now 1cP-LSD, 1V-LSD and several other lysergamides.[3]
As demonstrated with other N-acylated derivatives of LSD, 1V-LSD is believed to serve as a prodrug for LSD but may also act as a weak partial agonist at the 5-HT2A receptor.[2]
A Head-twitch response assay in mice found that 1V-LSD has a similar potency to 1P-LSD and 1cP-LSD, with behavioral effects also closely resembling these structural analogs.[4]
1V-LSD is the condensation product of valeric acid (pentanoic acid) and LSD, where the valeroyl group is substituted on the NH position of the indole moiety.[5] Ehrlich's reagent is used to identify the presence of an indole moiety; the chemical backbone of the lysergamide and ergoline molecules.[6] However, as with other N-acylated lysergamides, 1V-LSD reacts very slowly to Ehrlich reagent and may not give reliable results if the reagent isn't fresh.[7][8]
1V-LSD is illegal in the United States as a Schedule 1 drug under the Federal Analogue Act
Since March 2nd 2022, 1V-LSD has been under investigation in Sweden and may therefore soon become controlled.
1V-LSD was placed under legal control in South Korea in July 2022 on a temporary but renewable basis.[9]
An amendment to the NpSG banned the sale of 1V-LSD in Germany in September 2022.