Date published: 2026-5-11

1-800-457-3801

SCBT Portrait Logo
Seach Input

Florasulam (CAS 145701-23-1)

0.0(0)
Write a reviewAsk a question

Alternate Names:
N-(2,6-Difluorophenyl)-8-fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide; Kantor; Primus
CAS Number:
145701-23-1
Molecular Weight:
359.28
Molecular Formula:
C12H8F3N5O3S
Supplemental Information:
This is classified 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.

QUICK LINKS

Florasulam, a herbicide belonging to the sulfonylurea family, plays a role in managing broadleaf weeds across various crops. It stands as one of the most extensively utilized active ingredients in herbicides. This powerful compound effectively inhibits weed growth by impeding the development of diverse broadleaf weeds. Florasulam finds valuable application in scientific research, particularly in exploring the impact of herbicides on plant growth and development. The mechanism of Florasulam centers around the inhibition of acetolactate synthase (ALS), an enzyme in the biosynthesis of branched-chain amino acids. By impeding ALS, Florasulam effectively blocks the synthesis of these amino acids, which are essential for the growth and development of plants. Ultimately, this disruption leads to the demise of the targeted plant species.


Florasulam (CAS 145701-23-1) References

  1. Effect of temperature and moisture on the degradation and sorption of florasulam and 5-hydroxyflorasulam in soil.  |  Krieger, MS., et al. 2000. J Agric Food Chem. 48: 4757-66. PMID: 11052731
  2. Primus (florasulam 50 G/L), a new triazolopyrimidine sulfonanilide herbicide to control broad-leaved weeds in maize when applied in early postemergence (1 to 6 leaf stage of maize). Preliminary results.  |  Lepiece, D., et al. 2001. Meded Rijksuniv Gent Fak Landbouwkd Toegep Biol Wet. 66: 681-704. PMID: 12425093
  3. Uptake, translocation and metabolism of the herbicide florasulam in wheat and broadleaf weeds.  |  deBoer, GJ., et al. 2006. Pest Manag Sci. 62: 316-24. PMID: 16506146
  4. Determination and study on residue and dissipation of florasulam in wheat and soil under field conditions.  |  Li, Z., et al. 2013. Bull Environ Contam Toxicol. 90: 280-4. PMID: 23238823
  5. Dissipation kinetics and residues of florasulam and tribenuron-methyl in wheat ecosystem.  |  Dong, B., et al. 2015. Chemosphere. 120: 486-91. PMID: 25268470
  6. Dissipation kinetics and residues of triazolopyrimidine herbicides flumetsulam and florasulam in corn ecosystem.  |  Zhong, M., et al. 2015. Environ Monit Assess. 187: 390. PMID: 26026845
  7. Identification of photoproducts of florasulam in water using UPLC-QTOF-MS.  |  Qiao, Y., et al. 2019. Environ Sci Pollut Res Int. 26: 7132-7142. PMID: 30649695
  8. Target-site and non-target-site-based resistance to tribenuron-methyl in multiply-resistant Myosoton aquaticum L.  |  Bai, S., et al. 2019. Pestic Biochem Physiol. 155: 8-14. PMID: 30857630
  9. Method validation, storage stability and field trial for residues of florasulam and pyroxsulam in cereal by liquid chromatography with tandem mass spectrometry.  |  Bi, Y., et al. 2020. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 37: 793-803. PMID: 32077806
  10. Resistance to ALS inhibitors conferred by non-target-site resistance mechanisms in Myosoton aquaticum L.  |  Wang, N., et al. 2022. Pestic Biochem Physiol. 184: 105067. PMID: 35715029
  11. Finding Fluorine: Photoproduct Formation during the Photolysis of Fluorinated Pesticides.  |  Bhat, AP., et al. 2022. Environ Sci Technol. 56: 12336-12346. PMID: 35972505
  12. Direct toxicity of the herbicide florasulam against Chlorella vulgaris: An integrated physiological and metabolomic analysis.  |  Jiao, Q., et al. 2022. Ecotoxicol Environ Saf. 246: 114135. PMID: 36201917
  13. Effect of florasulam on oxidative damage and apoptosis in larvae and adult zebrafish (Danio rerio).  |  Wang, X., et al. 2023. J Hazard Mater. 446: 130682. PMID: 36580788

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Florasulam, 50 mg

sc-497539
50 mg
$206.00