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Atomfair Florasulam C12H8F3N5O3S

Description Florasulam (CAS No. 145701-23-1) is a highly selective sulfonamide herbicide belonging to the triazolopyrimidine class, with the molecular formula C12H8F3N5O3S . Its IUPAC name is N-(2,6-difluorophenyl)-8-fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide . This technical-grade compound is widely used in agricultural research and herbicide development due to its potent inhibition of acetolactate synthase (ALS), a key enzyme in branched-chain amino acid biosynthesis. Florasulam exhibits exceptional activity against broadleaf weeds while maintaining crop safety, making it a valuable tool for studying weed resistance mechanisms and optimizing herbicide formulations. Available as a high-purity solid (typically ??95% by HPLC), it is suitable for analytical standards, biochemical assays, and…

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Description

Description

Florasulam (CAS No. 145701-23-1) is a highly selective sulfonamide herbicide belonging to the triazolopyrimidine class, with the molecular formula C12H8F3N5O3S. Its IUPAC name is N-(2,6-difluorophenyl)-8-fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide. This technical-grade compound is widely used in agricultural research and herbicide development due to its potent inhibition of acetolactate synthase (ALS), a key enzyme in branched-chain amino acid biosynthesis. Florasulam exhibits exceptional activity against broadleaf weeds while maintaining crop safety, making it a valuable tool for studying weed resistance mechanisms and optimizing herbicide formulations. Available as a high-purity solid (typically ??95% by HPLC), it is suitable for analytical standards, biochemical assays, and formulation studies. Synonyms include Primus and Kantor. Store in a cool, dry place protected from light.

  • CAS No: 145701-23-1
  • Molecular Formula: C12H8F3N5O3S
  • Molecular Weight: 359.29
  • Exact Mass: 359.02999479
  • Monoisotopic Mass: 359.02999479
  • IUPAC Name: N-(2,6-difluorophenyl)-8-fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide
  • SMILES: COC1=NC=C(C2=NC(=NN21)S(=O)(=O)NC3=C(C=CC=C3F)F)F
  • Synonyms: Florasulam, 145701-23-1, N-(2,6-Difluorophenyl)-8-fluoro-5-methoxy-[1,2,4]triazolo[1,5-c]pyrimidine-2-sulfonamide, Primus, Kantor

Application

Florasulam is primarily used as a herbicide in agricultural research for controlling broadleaf weeds in cereal crops. Its mode of action involves inhibition of acetolactate synthase (ALS), disrupting plant amino acid synthesis. Researchers utilize this compound to study weed resistance patterns and develop synergistic herbicide mixtures. It also serves as a reference standard in environmental monitoring and residue analysis.

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