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UR-144 degradant
SpectraBase Compound ID ADPgrfUZXd9
InChI InChI=1S/C21H29NO/c1-6-7-10-13-22-15-18(17-11-8-9-12-19(17)22)20(23)14-21(4,5)16(2)3/h8-9,11-12,15H,2,6-7,10,13-14H2,1,3-5H3
InChIKey NBJHWTCAQOYUND-UHFFFAOYSA-N
Mol Weight 311.47 g/mol
Molecular Formula C21H29NO
Exact Mass 311.224915 g/mol
Copyright Copyright © 2019-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Cayman Chemical Company
Source of Spectrum Forensic Spectral Research
Catalog Number 11928
Copyright Copyright © 2023-2024 Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum H.H.Maurer, M.Meyer, K.Pfleger, A.A. Weber / University of Saarland, D-66424 Homburg Germany
Technique GC/MS
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Copyright © 2024 DigiLab GmbH and Wiley-VCH GmbH. All Rights Reserved.
Source of Spectrum DigiLab GmbH (C) 2024
Technique GC/MS
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum SWG-33-3728-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum Vadim Shevyrin, et al. Forensic Science International, V.226, 2013, P.62-73
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum CAY-2023-1708-0
Catalog Number 11928
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Copyright Copyright © 2022-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Cayman Chemical Company
Source of Spectrum Forensic Spectral Research
Catalog Number 11928
  • KM-X1 degradant
  • UR-144 3,3,4-trimethylpentenoyl isomer
  • 3,3,4-TRIMETHYL-1-(1-PENTYL-1H-INDOL-3-YL)-PENT-4-EN-1-ONE;TMCP-018;THERMAL-ISOMER
  • 3,3,4-trimethyl-1-(1-pentyl-1H-indol-3-yl)pent-4-en-1-one
  • UR-144-A (cyclopropyl rearrangement)
  • UR-144 cyclopropyl rearrangement product
Title Journal or Book Year
Identification and analytical properties of new synthetic cannabimimetics bearing 2,2,3,3-tetramethylcyclopropanecarbonyl moiety Forensic Science International 2013

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Vendor/Supplier Catalog Number
Cayman Chemical Company
Unknown Identification

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