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MedKoo Cat#: 591232 | Name: Fluroxypyr
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

Fluroxypyr is an herbicide in the class of synthetic auxins. It is used to control broadleaf weeds and woody brush. It is formulated as the 1-methylheptyl ester (fluroxypyr-MHE)

Chemical Structure

Fluroxypyr
Fluroxypyr
CAS#69377-81-7

Theoretical Analysis

MedKoo Cat#: 591232

Name: Fluroxypyr

CAS#: 69377-81-7

Chemical Formula: C2H5Cl2FN2O3

Exact Mass: 253.0000

Molecular Weight: 25.03

Elemental Analysis: C, 32.97; H, 1.98; Cl, 27.80; F, 7.45; N, 10.98; O, 18.82

Price and Availability

Size Price Availability Quantity
100mg USD 350.00 2 Weeks
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Related CAS #
No Data
Synonym
Fluroxypyr; EF 689; EF689; EF-689;
IUPAC/Chemical Name
Acetic acid, ((4-amino-3,5-dichloro-6-fluoro-2-pyridinyl)oxy)-
InChi Key
MEFQWPUMEMWTJP-UHFFFAOYSA-N
InChi Code
InChI=1S/C7H5Cl2FN2O3/c8-3-5(11)4(9)7(12-6(3)10)15-1-2(13)14/h1H2,(H2,11,12)(H,13,14)
SMILES Code
O=C(O)COC1=NC(F)=C(Cl)C(N)=C1Cl
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 25.03 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: LeClere S, Wu C, Westra P, Sammons RD. Cross-resistance to dicamba, 2,4-D, and fluroxypyr in Kochia scoparia is endowed by a mutation in an AUX/IAA gene. Proc Natl Acad Sci U S A. 2018 Mar 27;115(13):E2911-E2920. doi: 10.1073/pnas.1712372115. Epub 2018 Mar 12. PubMed PMID: 29531066; PubMed Central PMCID: PMC5879655. 2: Xiang D, Han J, Yao T, Wang Q, Zhou B, Mohamed AD, Zhu G. Editor's Highlight: Structure-Based Investigation on the Binding and Activation of Typical Pesticides With Thyroid Receptor. Toxicol Sci. 2017 Dec 1;160(2):205-216. doi: 10.1093/toxsci/kfx177. PubMed PMID: 28973306. 3: Yu X, Kou S, Zhang J, Tang X, Yang Q, Yao B. Preparation and characterization of Cu(2)O nano-particles and their photocatalytic degradation of fluroxypyr. Environ Technol. 2017 Sep 3:1-10. doi: 10.1080/09593330.2017.1370023. [Epub ahead of print] PubMed PMID: 28825365. 4: Connolly A, Jones K, Galea KS, Basinas I, Kenny L, McGowan P, Coggins M. Exposure assessment using human biomonitoring for glyphosate and fluroxypyr users in amenity horticulture. Int J Hyg Environ Health. 2017 Aug;220(6):1064-1073. doi: 10.1016/j.ijheh.2017.06.008. Epub 2017 Jun 27. PubMed PMID: 28668341. 5: Casida JE. Why Prodrugs and Propesticides Succeed. Chem Res Toxicol. 2017 May 15;30(5):1117-1126. doi: 10.1021/acs.chemrestox.7b00030. Epub 2017 Apr 7. Review. PubMed PMID: 28334528. 6: Park H, Choi MY, Kwon E, Kim TH. Crystal structure of fluroxypyr. Acta Crystallogr E Crystallogr Commun. 2016 Nov 25;72(Pt 12):1836-1838. eCollection 2016 Dec 1. PubMed PMID: 27980844; PubMed Central PMCID: PMC5137622. 7: Pang N, Cui Y, Hu J. Weather dependent dynamics of the herbicides florasulam, carfentrazone-ethyl, fluroxypyr-meptyl and fluroxypyr in wheat fields through field studies and computational simulation. Chemosphere. 2016 Dec;165:320-328. doi: 10.1016/j.chemosphere.2016.09.026. Epub 2016 Sep 30. PubMed PMID: 27664521. 8: Pandolfo CE, Presotto A, Carbonell FT, Ureta S, Poverene M, Cantamutto M. Transgenic glyphosate-resistant oilseed rape (Brassica napus) as an invasive weed in Argentina: detection, characterization, and control alternatives. Environ Sci Pollut Res Int. 2016 Dec;23(23):24081-24091. Epub 2016 Sep 16. PubMed PMID: 27638808. 9: Kumar V, Jha P. Differences in Germination, Growth, and Fecundity Characteristics of Dicamba-Fluroxypyr-Resistant and Susceptible Kochia scoparia. PLoS One. 2016 Aug 18;11(8):e0161533. doi: 10.1371/journal.pone.0161533. eCollection 2016. PubMed PMID: 27537419; PubMed Central PMCID: PMC4990274. 10: Ivanova B. Erratum to: Solid-state UV-MALDI mass spectrometric quantitation of fluroxypyr and triclopyr in soil. Environ Geochem Health. 2016 Oct;38(5):1215. PubMed PMID: 26711241. 11: Epp JB, Alexander AL, Balko TW, Buysse AM, Brewster WK, Bryan K, Daeuble JF, Fields SC, Gast RE, Green RA, Irvine NM, Lo WC, Lowe CT, Renga JM, Richburg JS, Ruiz JM, Satchivi NM, Schmitzer PR, Siddall TL, Webster JD, Weimer MR, Whiteker GT, Yerkes CN. The discovery of Arylex™ active and Rinskor™ active: Two novel auxin herbicides. Bioorg Med Chem. 2016 Feb 1;24(3):362-71. doi: 10.1016/j.bmc.2015.08.011. Epub 2015 Aug 19. PubMed PMID: 26321602. 12: Han L, Zhao D, Li C. Isolation and 2,4-D-degrading characteristics of Cupriavidus campinensis BJ71. Braz J Microbiol. 2015 Jun 1;46(2):433-41. doi: 10.1590/S1517-838246220140211. eCollection 2015 Jun. PubMed PMID: 26273258; PubMed Central PMCID: PMC4507535. 13: Pang N, Wang T, Hu J. Method validation and dissipation kinetics of four herbicides in maize and soil using QuEChERS sample preparation and liquid chromatography tandem mass spectrometry. Food Chem. 2016 Jan 1;190:793-800. doi: 10.1016/j.foodchem.2015.05.081. Epub 2015 May 18. PubMed PMID: 26213040. 14: Zhao H, Xu J, Dong F, Liu X, Wu Y, Wu X, Zheng Y. Simultaneous determination of three herbicides in wheat, wheat straw, and soil using a quick, easy, cheap, effective, rugged, and safe method with ultra high performance liquid chromatography and tandem mass spectrometry. J Sep Sci. 2015 Apr;38(7):1164-71. doi: 10.1002/jssc.201401234. Epub 2015 Feb 26. PubMed PMID: 25620026. 15: Ivanova B, Spiteller M. Solid-state UV-MALDI mass spectrometric quantitation of fluroxypyr and triclopyr in soil. Environ Geochem Health. 2015 Jun;37(3):557-74. doi: 10.1007/s10653-014-9673-9. Epub 2015 Jan 3. Erratum in: Environ Geochem Health. 2016 Oct;38(5):1215. PubMed PMID: 25555463. 16: Mohr S, Schott J, Hoenemann L, Feibicke M. Glyceria maxima as new test species for the EU risk assessment for herbicides: a microcosm study. Ecotoxicology. 2015 Mar;24(2):309-20. doi: 10.1007/s10646-014-1379-3. Epub 2014 Nov 8. PubMed PMID: 25380672. 17: Raeppel C, Fabritius M, Nief M, Appenzeller BM, Briand O, Tuduri L, Millet M. Analysis of airborne pesticides from different chemical classes adsorbed on Radiello® Tenax® passive tubes by thermal-desorption-GC/MS. Environ Sci Pollut Res Int. 2015 Feb;22(4):2726-34. doi: 10.1007/s11356-014-3534-z. Epub 2014 Sep 11. PubMed PMID: 25205153. 18: Han L, Liu Y, He A, Zhao D. 16S rRNA gene phylogeny and tfdA gene analysis of 2,4-D-degrading bacteria isolated in China. World J Microbiol Biotechnol. 2014 Oct;30(10):2567-76. doi: 10.1007/s11274-014-1680-6. Epub 2014 Jun 5. PubMed PMID: 24898178. 19: Mesnage R, Defarge N, Spiroux de Vendômois J, Séralini GE. Major pesticides are more toxic to human cells than their declared active principles. Biomed Res Int. 2014;2014:179691. doi: 10.1155/2014/179691. Epub 2014 Feb 26. PubMed PMID: 24719846; PubMed Central PMCID: PMC3955666. 20: Mohr S, Schott J, Maletzki D, Hünken A. Effects of toxicants with different modes of action on Myriophyllum spicatum in test systems with varying complexity. Ecotoxicol Environ Saf. 2013 Nov;97:32-9. doi: 10.1016/j.ecoenv.2013.06.030. Epub 2013 Aug 6. PubMed PMID: 23928028.

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