1cP-LSD

1cP-LSD (N1-(cyclopropylmethanoyl)-lysergic acid diethylamide) is an acylated derivative of lysergic acid diethylamide (LSD), which has been sold as a designer drug. ^[1][2] It was first synthesized as a legal-LSD alternative by Lizard Labs, a Netherlands based research chemical laboratory.^[3] In tests on mice it was found to be an active psychedelic with similar potency to 1P-LSD.^[4]

1cP-LSD

Clinical data
Other names	1cP, acid, LSD, Lucy
Dependence liability	Low
Addiction liability	None
Routes of administration	By mouth, under the tongue
Legal status
Legal status	AU: S9 (Prohibited substance) BR: Class F2 (Prohibited psychotropics) CA: Unscheduled. DE: NpSG (Industrial and scientific use only) UK: Under Psychoactive Substances Act
Pharmacokinetic data
Onset of action	30 - 60 minutes
Duration of action	8 - 24 hours
Identifiers
IUPAC name (6aR,9R)-N,N-diethyl-7-methyl-4-cyclopropylmethanoyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide
CAS Number	2767597-50-0
PubChem CID	155884675
ChemSpider	107450612
UNII	7UU7S6TN3J
Chemical and physical data
Formula	C24H29N3O2
Molar mass	391.515 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCN(CC)C(=O)[C@@H]5C=C2[C@@H](Cc3cn(C(=O)C1CC1)c4cccc2c34)N(C)C5
InChI InChI=1S/C24H29N3O2/c1-4-26(5-2)23(28)17-11-19-18-7-6-8-20-22(18)16(12-21(19)25(3)13-17)14-27(20)24(29)15-9-10-15/h6-8,11,14-15,17,21H,4-5,9-10,12-13H2,1-3H3/t17-,21-/m1/s1 Key:RAFUPYYDHPFASC-DYESRHJHSA-N

Legal status

1cP-LSD on blotter paper

Sweden's public health agency suggested classifying 1cP-LSD as a dangerous substance on 18 December 2019 and later classified it as such on 22 April 2021.^[5][6]

See also

• Lysergic acid diethylamide (LSD)
• 1B-LSD
• 1DD-LSD
• 1P-LSD
• 1V-LSD
• ALD-52
• 1cP-AL-LAD
• AL-LAD
• ETH-LAD
• 1P-ETH-LAD
• PRO-LAD
• LSM-775
• LSZ
• O-Acetylpsilocin (4-AcO-DMT)