(+-)-Tetramisole

CAS Number5036-02-2
Molecular FormulaC11H12N2S
Molecular Weight204.29
InChI KeyHLFSDGLLUJUHTE-UHFFFAOYSA-N
LogP1.8
Synonyms
  • TETRAMISOLE
  • 5036-02-2
  • tetramizole
  • Tetramisol
  • Ascaverm
  • Tetramisolo
  • Tetramisolum
  • dl-Tetramisole
  • Nilverm base
  • C8M7RFE4NO
  • (+-)-Tetramisole
  • DTXSID20860143
  • NSC-102063
  • Imidazo[2,1-b]thiazole, 2,3,5,6-tetrahydro-6-phenyl-
  • R-8299
  • Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-
  • (+-)-2,3,5,6-Tetrahydro-6-phenylimidazo(2,1-b)thiazole
  • Imidazo(2,1-b)thiazole, 2,3,5,6-tetrahydro-6-phenyl-, (+-)-
  • Levamisole DL-
  • RefChem:905519
  • CHEBI:77289
  • DTXCID40197221
  • NSC102063
  • 225-729-3
  • 229-667-8
  • 6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole
  • Levamisole dl-form
  • Tetramisole (INN)
  • TETRAMISOLE [INN]
  • L-Tetramisole; Lepuron; Levamisol; Levamisole
  • Levovermax
  • Levamisole (hydrochloride)
  • Vermisol 150
  • Levamisol 100 microg/mL in Acetonitrile
  • Ascaverm (TN)
  • 2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole; (+/-)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole;
  • Tetramisole [INN:BAN]
  • Prestwick0_000545
  • Prestwick1_000545
  • Prestwick2_000545
  • Prestwick3_000182
  • Prestwick3_000545
  • UNII-C8M7RFE4NO
  • L-2,3,5,6-Tetrahyro-6-phenylimidazo(2,1-b)thiazole
  • Tetramisol [INN-Spanish]
  • Tetramisolum [INN-Latin]
  • (-)-2,3,5,6-Tetrahydro-6-phenylimidazo[2,1-b]thiazole
  • (-)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole
  • Lopac0_001194
  • BSPBio_000103
  • BSPBio_000589
  • TETRAMISOLE [WHO-DD]
  • MLS006011861
  • SCHEMBL167819
  • SPBio_002510
  • BPBio1_000115
  • BPBio1_000649
  • CHEMBL277775
  • LEVAMISOLE DL-FORM [MI]
  • CHEBI:77278
  • HY-B1194A
  • HMS1674C22
  • EINECS 225-729-3
  • EINECS 229-667-8
  • ICI 50627
  • NSC614927
  • STL019093
  • Tetramisole, Tetramisole Hydrochloride
  • AKOS000605651
  • AKOS022087568
  • AKOS022142451
  • CCG-205268
  • NSC 102063
  • NSC-614927
  • SB67394
  • SDCCGSBI-0051161.P003
  • NCGC00015620-03
  • NCGC00015620-04
  • NCGC00015620-14
  • NCGC00015620-17
  • NCGC00162225-01
  • NCGC00162363-01
  • AC-11604
  • SMR001550472
  • SBI-0051161.P002
  • DB-071180
  • NS00081384
  • ST45026279
  • D08576
  • BRD-A46393198-003-04-2
  • BRD-A46393198-003-10-9
  • BRD-A46393198-003-15-8
  • BRD-A46393198-003-16-6
  • Q27146858
  • 2,3,5,6-tetrahydro-6-phenylimidazo-[2,1-b]-thiazole
  • 6-phenyl-2,3,5,6-tetrahydro imidazo [2,1-b]thiazole
  • 6-phenyl-2H,3H-2-imidazolino[2,1-b]1,3-thiazolidine
  • (-)-2,3,5,6-Tetrahydro-6-phenylimidazol[2,1-b]thiazole
  • (+/-)-2,3,5,6-TETRAHYDRO-6-PHENYLIMIDAZO(2,1-B)THIAZOLE
  • 6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole-, (S)-

Applications:

HPLC MS Method for Analysis of Tetramisole on Primesep 200 Column

August 25, 2026

HPLC Method for Analysis of (+-)-Tetramisole on Primesep NC by SIELC Technologies

HPLC Method for Analysis of (+-)-Tetramisole in on Primesep 200 Column

Tetramisole is a medication with the chemical formula C11H12N2S. It is primarily used to treat and get rid of parasitic worms in animals. It works through inhibiting alkalinephosphates, which freezes muscles of the worm. You can find detailed UV spectra of (+-)-Tetramisole and information about its various lambda maxima by visiting the following link.

(+-)-Tetramisole can be retained and analyzed using the Primesep 200 stationary phase column. The analysis utilizes an isocratic method with a mobile phase consisting of acetonitrile, water, and ammonium formate. Detection is performed using MS.

Condition

ColumnPrimesep 200, 3.2 x 150 mm, 5 µm, 100 A, dual ended
Mobile PhaseMeCN/H2O -40/60%
BufferAmFm pH 3.0 – 20 mM
Flow Rate0.5 ml/min
DetectionESI-SIM: [M-H]–  m/z 205

Description

Class of CompoundsDrugs
Analyzing Compounds(+-)-Tetramisole

Application Column

Primesep 200

Column Diameter: 3.2 mm
Column Length: 150 mm
Particle Size: 5 µm
Pore Size: 100 A
Column options: dual ended

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Application Analytes:
(+-)-Tetramisole
Application Detection:
LC MS Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.

Uv-Vis Spectrum of Tetramisole

February 24, 2026

Access the UV-Vis Spectrum SIELC Library

If you are looking for optimized HPLC method to analyze (+-)-Tetramisole check our HPLC Applications library

For optimal results in HPLC analysis, it is recommended to measure absorbance at a wavelength that matches the absorption maximum of the compound(s) being analyzed. The UV spectrum shown can assist in selecting an appropriate wavelength for your analysis. Please note that certain mobile phases and buffers may block wavelengths below 230 nm, rendering absorbance measurement at these wavelengths ineffective. If detection below 230 nm is required, it is recommended to use acetonitrile and water as low UV-transparent mobile phases, with phosphoric acid and its salts, sulfuric acid, and TFA as buffers.
For some compounds, the UV-Vis Spectrum is affected by the pH of the mobile phase. The spectra presented here are measured with an acidic mobile phase that has a pH of 3 or lower.

Application Analytes:
(+-)-Tetramisole
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.