Spectroscopy and Spectral Analysis, Volume. 40, Issue 12, 3925(2020)

Rapid Qualitative Analysis of New Psychoactive Substances by Infrared Spectroscopy

Cui-mei LIU*, Yu HAN, Wei JIA, and Zhen-dong HUA
Author Affiliations
  • Key Laboratory of Drug Monitoring and Control, Drug Intelligence and Forensic Center, Ministry of Public Security, Beijing 100193, China
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    Figures & Tables(8)
    Structures and ATR-FTIR spectra of α-PiHP, α-PHP,Ethylone, and Dimethylone
    Structures and ATR-FTIR spectra of 4-FA, 3-FA, and 2-FA
    Structures and ATR-FTIR spectra of 2C-NBOMe serial compounds
    Structures and ATR-FTIR spectra of α-PPP, α-POP, α-PHPP, α-PiHP, α-PHP, α-PVP, α-PBP, and α-PPP
    The histogram of the second matching coefficient value of 301 NPS compounds
    Structures and ATR-FTIR spectra of α-PNP, α-PHPP, ADB-CHMINACA, AB-CHMINACA, 5F-ADB-PINACA, ADB-PINACA, 2C-T-7, and 2C-T-2
    • Table 1. Comparison of similarity coefficients by using different instruments and algorithms

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      Table 1. Comparison of similarity coefficients by using different instruments and algorithms

      InstrumentSimilarity coefficient
      algorithm
      2C-T-2
      /2C-T-7
      ADB-PINACA
      /5F-ADB-PINACA
      α-PHPP
      /α-PNP
      AB-CHMINACA
      /ADB-CHMINACA
      PerkinElmer
      Frontier
      Correlation0.951.910.930.94
      Euclidean0.930.910.910.92
      SHIMADZU
      IRSpirit
      DiffDeriv0.900.890.860.93
      CorrDeriv0.940.950.900.96
      Difference 1. Deri0.770.750.690.79
      Correlation0.980.960.940.98
      SQ Difference Deri0.940.930.900.95
      Difference0.920.940.900.95
      SQ Difference0.990.990.981.00
      Euclidean0.900.900.870.93
    • Table 2. Characteristic peaks of structural analogues

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      Table 2. Characteristic peaks of structural analogues

      CompoundCharacteristic peaks/cm-1
      α-PNP1 688, 1 597, 1 448, 1 346, 1 224*, 925, 705, 683
      α-PHPP1 686, 1 448, 1 229*, 1 133*, 881*, 774*, 704, 682
      ADB-CHMINACA1 650, 1 526, 1 491, 1 397*, 1 175,
      1 132*, 825*, 748
      AB-CHMINACA1 648, 1 527, 1 491, 1 304, 1 226,
      1 175, 814*, 748
      5F-ADB-PINACA1 697, 1 648, 1 529, 1 489, 1 366,
      1 174*, 1 066*, 748
      ADB-PINACA1 695, 1 648, 1 529, 1 489, 1 365,
      1 181*, 825, 747
      2C-T-71 498, 1 464, 1 436, 1 237*, 1 206,
      1 038, 823*, 751*
      2C-T-21 490, 1 436, 1 256*, 1 206, 1 156,
      1 037, 850, 810
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    Cui-mei LIU, Yu HAN, Wei JIA, Zhen-dong HUA. Rapid Qualitative Analysis of New Psychoactive Substances by Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2020, 40(12): 3925

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    Paper Information

    Category: Research Articles

    Received: Sep. 17, 2019

    Accepted: --

    Published Online: Jun. 18, 2021

    The Author Email: Cui-mei LIU (liucuimei8258@163.com)

    DOI:10.3964/j.issn.1000-0593(2020)12-3925-05

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