US: Unscheduled (may be considered illegal if sold for human consumption as an analog of LSD under the federal analog act)
In general Unscheduled, unless sold for human consumption, Illegal in Czech Republic, Denmark, Estonia, France, Japan, Latvia, Lithuania, Norway, Romania, Russia, Croatia Singapore, Sweden and Switzerland
Like ALD-52, 1P-LSD is believed to act as
prodrug for LSD via hydrolysis of the propionyl group. When 1P-LSD is incubated in human serum,[9] administered intravenously to rats,[10] or administered either orally or intravenously to human subjects,[11] high levels of LSD and relatively low levels of 1P-LSD are quickly detected, demonstrating that 1P-LSD is rapidly hydrolyzed into LSD in vivo following ingestion. Indeed, following intravenous administration in humans 1P-LSD is detectable in serum for no longer than 4 hours, after which it is completely converted to LSD.[11] These findings are supported by the similar duration and behavioral effects of 1P-LSD and LSD in both animal and human experiments.[9][11]
Effects
The subjective effects of 1P-LSD are not well defined in the scientific literature, although they are generally thought to be comparable to that of LSD.[12] In a 2020 study, the qualitative effects of 1P-LSD and LSD were similar when measured using
visual analog scales.
Legal status
As of 2015, 1P-LSD is unscheduled in the
United States and
Canada, but may be considered illegal if sold or used for human consumption as a structural analog of LSD under the Federal Analogue Act in the US.[9] 1P-LSD is a prohibited or controlled substance in Australia, France,[13] Finland,[14] Denmark,[15] Germany,[16] Estonia,[17] Japan,[18] Latvia,[19] Norway,[20] Romania,[21] Sweden,[22] Switzerland,[23] United Kingdom,[24] Italy,[citation needed] Singapore,[25] the Czech Republic,[26] and Croatia.[27] 1P-LSD has been illegal in Russia since 2017 as an LSD derivative.[28]
^Linda P, Stener A, Cipiciani A, Savelli G (January–February 1983). "Hydrolysis of amides. Kinetics and mechanism of the basic hydrolysis of N-acylpyrroles, N-acylindoles and N-acylcarbazoles". Journal of Heterocyclic Chemistry. 20 (1): 247–248.
doi:
10.1002/jhet.5570200154.