An Analytical Reference Standard
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Isomer(s)
39242Tetramisole
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(−)-Levamisole

Item No. 33972

Product Insert (PDF)GC-MS (PDF)Safety Data Sheet (SDS) (PDF)
Synonyms
Synonyms
  • L-Tetramisole
Technical Information
Formal Name
(6S)-2,3,5,6-tetrahydro-6-phenyl-imidazo[2,1-b]thiazole
CAS Number
14769-73-4
Molecular Formula
C11H12N2S
Formula Weight
204.3
Purity
≥98%
Formulation
A solid
Solubility(Learn about Variance in Solubility)
DMF: 3 mg/mlDMSO: 10 mg/mlEthanol: 20 mg/mlPBS (pH 7.2): Slightly soluble
SMILES
[H][C@]1(N=C(SCC2)N2C1)C3=CC=CC=C3
InChi Code
InChI=1S/C11H12N2S/c1-2-4-9(5-3-1)10-8-13-6-7-14-11(13)12-10/h1-5,10H,6-8H2/t10-/m1/s1
InChi Key
HLFSDGLLUJUHTE-SNVBAGLBSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    (−)-Levamisole (Item No. 33972) is an analytical reference standard categorized as an imidazothiazole. (−)-Levamisole has been used as a cutting agent with cocaine, and levamisole-adulterated cocaine has led to cutaneous vasculopathy in some individuals.1,2,3 This product is intended for research and forensic applications.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Broséus, J., Gentile, N., and Esseiva, P. The cutting of cocaine and heroin: A critical review. Forensic Sci. Int. 262, 73-83 (2016).

    2. Pillow, M.T., and Hughes, A. Levamisole-adulterated cocaine induced vasculitis with skin ulcerations. West. J. Emerg. Med. 14(2), 149-150 (2013).

    3. Tran, H., Tan, D., and Marnejon, T.P. Cutaneous vasculopathy associated with levamisole-adulterated cocaine. Clin. Med. Res. 11(1), 26-30 (2013).