1cP-LSD (N1-(cyclopropylmethanoyl)-lysergic acid diethylamide) is an acylated derivative of lysergic acid diethylamide (LSD) developed by Synex Synthetics. 1cP-LSD is a novel semisynthetic psychedelic substance of the lysergamide class. 1cP-LSD is closely related to 1P-LSD and LSD. It is reported to produce similar to identical effects. Cas No: Formula: C24H29N3O2 IUPAC: Name: (6aR,9R)-N,N-diethyl-7-methyl-4-cyclopropylmethanoyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide Appearance: White powder Purity: 99.9%