Date published: 2026-5-6

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Isopyrazam (CAS 881685-58-1)

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Alternate Names:
3-(Difluoromethyl)-1-methyl-N-[1,2,3,4-tetrahydro-9-(1-methylethyl)-1,4-methanonaphthalen-5-yl]-1H-pyrazole-4-carboxamide
CAS Number:
881685-58-1
Molecular Weight:
359.41
Molecular Formula:
C20H23F2N3O
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.

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Isopyrazam, a member of the pyrazamide class of organic compounds, serves as a versatile fungicide and insecticide. Isopyrazam has demonstrated remarkable efficacy against a broad spectrum of fungi such as Fusarium, Pythium, Rhizoctonia, and Sclerotinia species. The mode of action of isopyrazam involves the inhibition of ergosterol synthesis, a vital constituent of fungal cell membranes. By impeding the production of ergosterol, isopyrazam disrupts the integrity and functionality of the fungal cell membrane, ultimately causing cell death.


Isopyrazam (CAS 881685-58-1) References

  1. The behavior of isopyrazam in aquatic ecosystems: implementation of a tiered investigation.  |  Hand, LH. and Oliver, RG. 2010. Environ Toxicol Chem. 29: 2702-12. PMID: 20891015
  2. Differences between the succinate dehydrogenase sequences of isopyrazam sensitive Zymoseptoria tritici and insensitive Fusarium graminearum strains.  |  Dubos, T., et al. 2013. Pestic Biochem Physiol. 105: 28-35. PMID: 24238287
  3. Foliar application of isopyrazam and epoxiconazole improves photosystem II efficiency, biomass and yield in winter wheat.  |  Ajigboye, OO., et al. 2014. Pestic Biochem Physiol. 114: 52-60. PMID: 25175650
  4. The effect of succinate dehydrogenase inhibitor/azole mixtures on selection of Zymoseptoria tritici isolates with reduced sensitivity.  |  Dooley, H., et al. 2016. Pest Manag Sci. 72: 1150-9. PMID: 26269125
  5. Sedaxane, Isopyrazam and Solatenol™: Novel Broad-spectrum Fungicides Inhibiting Succinate Dehydrogenase (SDH) - Synthesis Challenges and Biological Aspects.  |  Walter, H., et al. 2015. Chimia (Aarau). 69: 425-34. PMID: 26507595
  6. Sedaxane, Isopyrazam and Solatenol™: Novel Broad-spectrum Fungicides Inhibiting Succinate Dehydrogenase (SDH) - Synthesis Challenges and Biological Aspects.  |  Walter, H., et al. 2015. Chimia (Aarau). 69: 425-434. PMID: 28482975
  7. Simultaneous Determination of Isopyrazam and Azoxystrobin in Cucumbers by Liquid Chromatography-Tandem Mass Spectrometry.  |  Hu, D., et al. 2017. J Food Prot. 80: 2112-2118. PMID: 29166175
  8. Impacts of isopyrazam exposure on the development of early-life zebrafish (Danio rerio).  |  Yao, H., et al. 2018. Environ Sci Pollut Res Int. 25: 23799-23808. PMID: 29876854
  9. Activity, Translocation, and Persistence of Isopyrazam for Controlling Cucumber Powdery Mildew.  |  He, LM., et al. 2017. Plant Dis. 101: 1139-1144. PMID: 30682956
  10. Baseline Sensitivity of Botrytis cinerea to the Succinate Dehydrogenase Inhibitor Isopyrazam and Efficacy of this Fungicide.  |  Song, Y., et al. 2016. Plant Dis. 100: 1314-1320. PMID: 30686199
  11. Genetic polymorphisms associated to SDHI fungicides resistance in selected Aspergillus flavus strains and relation with aflatoxin production.  |  Masiello, M., et al. 2020. Int J Food Microbiol. 334: 108799. PMID: 32799117
  12. Evaluation of Sensitivity and Resistance Risk of Corynespora cassiicola to Isopyrazam and Mefentrifluconazole.  |  Ma, D., et al. 2020. Plant Dis. 104: 2779-2785. PMID: 32991254
  13. Review of the existing maximum residue levels for isopyrazam according to Article 12 of Regulation (EC) No 396/2005.  |  , ., et al. 2021. EFSA J. 19: e06684. PMID: 34306219
  14. Acute exposure of Isopyrazam damages the developed cardiovascular system of zebrafish (Danio rerio).  |  Yan, Y., et al. 2023. J Environ Sci Health B. 58: 367-377. PMID: 37032599

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Isopyrazam, 100 mg

sc-488943
100 mg
$194.00