Date published: 2025-12-5

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Methabenzthiazuron (CAS 18691-97-9)

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Alternate Names:
1-(Benzothiazol-2-yl)-1,3-dimethylurea
CAS Number:
18691-97-9
Molecular Weight:
221.28
Molecular Formula:
C10H11N3OS
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Methabenzthiazuron is a herbicide that functions by inhibiting photosynthesis in plants. It acts by blocking the electron transport chain in photosystem II. This disruption ultimately leads to the accumulation of reactive oxygen species within the chloroplast, causing damage to the photosynthetic apparatus and resulting in the death of the plant. Methabenzthiazuron′s mechanism of action involves binding to the QB-binding niche of the D1 protein, preventing the transfer of electrons to plastoquinone. This interference with electron transport disrupts the production of ATP and NADPH, which are for the synthesis of carbohydrates and other compounds in plants. Methabenzthiazuron′s mechanism of action as a photosystem II inhibitor may be effective for controlling the growth of unwanted vegetation in experimental applications.


Methabenzthiazuron (CAS 18691-97-9) References

  1. Adsorption of methabenzthiazuron on six allophanic and nonallophanic soils: effect of organic matter amendment.  |  Báez, ME., et al. 2001. J Environ Sci Health B. 36: 95-105. PMID: 11281259
  2. Proliferative activity of bile from congenital choledochal cyst patients.  |  Wu, GS., et al. 2003. World J Gastroenterol. 9: 184-7. PMID: 12508379
  3. Sequential bio- and phototransformation of the herbicide methabenzthiazuron in water.  |  Malouki, MA., et al. 2003. Environ Toxicol Chem. 22: 2013-9. PMID: 12959525
  4. Microwave-assisted solvent extraction of the herbicide methabenzthiazuron from soils and some soil natural organic and inorganic constituents. Influence of environmental factors on its extractability.  |  Báez, ME., et al. 2003. Analyst. 128: 1478-84. PMID: 14737236
  5. Effect of caffeic acid phenethyl ester on proliferation and apoptosis of colorectal cancer cells in vitro.  |  Wang, D., et al. 2005. World J Gastroenterol. 11: 4008-12. PMID: 15996024
  6. Phototransformation of methabenthiazuron in the presence of nitrate and nitrite ions.  |  Malouki, MA., et al. 2005. Chemosphere. 60: 1523-9. PMID: 16083759
  7. Simultaneous determination of ethidimuron, methabenzthiazuron, and their two major degradation products in soil.  |  Lagarde, F., et al. 2006. J Agric Food Chem. 54: 7450-9. PMID: 17002407
  8. Rate of loss of simazine, terbuthylazine, isoproturon, and methabenzthiazuron during soil solarization.  |  Navarro, S., et al. 2009. J Agric Food Chem. 57: 6375-82. PMID: 19537795
  9. Fate of two herbicides in zero-tension lysimeters and in field soil.  |  Kasteel, R., et al. 2010. J Environ Qual. 39: 1451-66. PMID: 20830932
  10. Efficient degradation of methabenzthiazuron photoinduced by decatungstate anion in water: kinetics and mechanistic studies.  |  Allaoui, A., et al. 2011. Chemosphere. 85: 558-64. PMID: 21757218
  11. Aging of methabenzthiazuron, imidacloprid, and N,N-dimethylsulfamide in silty soils and effects on sorption and dissipation.  |  Dalkmann, P., et al. 2012. Environ Toxicol Chem. 31: 556-65. PMID: 22213400
  12. Minimization of methabenzthiazuron residues in leaching water using amended soils and photocatalytic treatment with TiO2 and ZnO.  |  Fenoll, J., et al. 2014. J Environ Sci (China). 26: 757-64. PMID: 25079405
  13. Agrochemical contaminants in six species of edible insects from Uganda and Kenya.  |  Labu, S., et al. 2022. Curr Res Insect Sci. 2: 100049. PMID: 36683952
  14. Design, Synthesis and Biological Activities of (Thio)Urea Benzothiazole Derivatives.  |  Mendieta-Wejebe, JE., et al. 2023. Int J Mol Sci. 24: PMID: 37298442

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Methabenzthiazuron, 100 mg

sc-250312
100 mg
$46.00