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«(1-Pentyl-1H-indol-3-yl)(2,2,3,3- tetramethylcyclopropyl)methanone»
CSA Names: (1-Pentyl-1H-indol-3-yl)(2,2,3,3- tetramethylcyclopropyl)methanone
(1-Pentyl-1H-indol-3-yl)(2,2,3,3- tetramethylcyclopropyl)methanone
CSA Location: Schedule I Section (g) Subsection (16) DEA code 7144
Schedule I Section (h) Subsection (1) DEA code 7144
CSA History: 80 FR 27611 proposed to add on 14 May 2015
78 FR 21858 proposed to add (for two years) via the emergency scheduling provision of 21 USC 811(h) on 12 Apr 2013
78 FR 28735 added (for two years) via the emergency scheduling provision of 21 USC 811(h) effective 16 May 2013
80 FR 14842 renumbered effective 20 Mar 2015
80 FR 27611 proposed to revoke (and to renumber subsequent entries) on 14 May 2015
80 FR 27854 extended (for one year) the prior emergency scheduling effective 15 May 2015
Names: UR-144 (primary)
(1-Pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (IUPAC ACD/Name)
Molecular formula: C21H29NO
Nominal mass: 311
Average mass: 311.4611
Monoisotopic mass: 311.224915
CAS registry number: 1199943-44-6
ChemSpider: 24634882
PubChem: 44626619
Wikipedia: UR-144
Drugs-Forum: UR-144
Bluelight: UR-144
Standard InChI: InChI=1S/C21H29NO/c1-6-7-10-13-22-14-16(15-11-8-9-12-17(15)22)18(23)19-20(2,3)21(19,4)5/h8-9,11-12,14,19H,6-7,10,13H2,1-5H3
SMILES: CCCCCn1cc(c2c1cccc2)C(=O)C1C(C1(C)C)(C)C
Tags: cannabinoid,USCSA
Property Value Remarks
Property Value Remarks
Location Type Remarks
UR-144 JCSO.pdf EI MS Coutesy of MFRC grant SC-12-370 by JCSO (spectrum not from verified reference standard)
UR-144 isomer JCSO.pdf EI MS Coutesy of MFRC grant SC-12-370 by JCSO (spectrum not from verified reference standard)
11502-0437163-GCMS.pdf EI MS Agilent 5973 MSD
UR144.pdf EI MS RTI
UR-144 5-bromopentyl analog.pdf EI MS RTI
UR-144 5-chloropentyl analog.pdf EI MS RTI
UR144 degradant.pdf EI MS RTI
11502-0439962-IR.pdf FTIR PE Spectrum 65
11502-0437163-NMR.pdf NMR Varian INNOVA 400MHz
UR-144.pdf SP-GC-IR Solid Phase IR - KM-X1
UR-144 edit.pdf SP-GC-IR DiscovIR
Vendor ID URL
Cayman Chemical 11502
Cerilliant S-062
LGC CAY-11502-25MG
Lipomed UR-1495§ion=mediadir&cmd=detail
Toronto Research Chemicals P227525
Title Publication Date Vol. Iss. Page(s) Remarks
Consideration of the major cannabinoid agonists 2009-07-00 Advisory Council on the Misuse of Drugs
Understanding the Spice phenomenon 2009-00-00 European Monitoring Centre for Drugs and Drug Addiction
Further consideration of the synthetic cannabinoids 2012-10-18 Advisory Council on the Misuse of Drugs
Two new-type cannabimimetic quinolinyl carboxylates, QUPIC and QUCHIC, two new cannabimimetic carboxamide derivatives, ADB-FUBINACA and ADBICA, and five synthetic cannabinoids For. Toxicology 2013-07-01 Vol 31 Nahoko Uchiyama et. al.
Analysis of UR-144 and its pyrolysis product in blood and their metabolites in urine. DOI:10.1016/j.forsciint.2013.10.005 For. Sci. Int. 2013-12-10 Vol 233 Adamowicz, Zuba, Sekuła
Identification and quantification of synthetic cannabinoids in ‘spice-like’ herbal mixtures: A snapshot of the German situation in the autumn of 2012 Drug Testing and Analysis 2014-01-01 Vol 6 (1) Nico Langer, Rainer Lindigkeit, Hans-Martin Schiebel, Ludger Ernst and Till Beuerle
Database ID URL
SWGDRUG Monographs UR-144 Monograph
SWGDRUG Monographs UR-144 Br
SWGDRUG Monographs UR-144 Cl
Forensic Drug Review UR-144 Degradant
Cayman Spectral Database
SWGDRUG Mass Spectral Library
Society of Forensic Toxicologists Designer Drug Monographs UR-144 Monograph
Substance name
Substance name
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