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Dithiopyr

Names
IUPAC name Dimethyl 2-(difluoromethyl)-4-(2-methylpropyl)-6-(trifluoromethyl)pyridine-3,5-dicarbothioate
Identifiers
CAS Number	97886-45-8
3D model (JSmol)	Interactive image
ChemSpider	82855
ECHA InfoCard	100.131.988
KEGG	C18826
PubChem CID	91757
CompTox Dashboard (EPA)	DTXSID9032379
InChI InChI=1S/C15H16F5NO2S2/c1-6(2)5-7-8(13(22)24-3)10(12(16)17)21-11(15(18,19)20)9(7)14(23)25-4/h6,12H,5H2,1-4H3Key: YUBJPYNSGLJZPQ-UHFFFAOYSA-N InChI=1/C15H16F5NO2S2/c1-6(2)5-7-8(13(22)24-3)10(12(16)17)21-11(15(18,19)20)9(7)14(23)25-4/h6,12H,5H2,1-4H3Key: YUBJPYNSGLJZPQ-UHFFFAOYAT
SMILES FC(F)(F)c1nc(c(c(c1C(=O)SC)CC(C)C)C(=O)SC)C(F)F
Properties
Chemical formula	C15H16F5NO2S2
Molar mass	401.42 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is  ?) Infobox references

Dithiopyr is a chemical used as an preemergent herbicide used to prevent crabgrass seeds from sprouting in the spring. Dithiopyr may alter microtubule polymerization and stability by "interacting with microtubule associated proteins and/or microtubule organizing centers rather than interaction directly with tubulin."

It is an ingredient in many products including Dimension (herbicide) from Monsanto.

References

1. "Time is right to prevent crabgrass from sprouting". Osawatomie Graphic. April 7, 2010. Retrieved 2010-04-21. Most of the products that prevent crabgrass contain Dimension (chemical name — dithiopyr) or Barricade (chemical name — prodiamine). Both of these chemicals work well and are long-lasting, so they stop crabgrass throughout the summer. {{cite news}}: Cite has empty unknown parameter: |coauthors= (help)
2. Barbara L. Armbruster, William T. Molin, and M. Wayne Bugg (February 1, 1991). "Effects of the herbicide dithiopyr on cell division in wheat root tips". Pesticide Biochemistry and Physiology. 39 (2): 110–120. doi:10.1016/0048-3575(91)90131-5. The mode of action of dithiopyr may be to alter microtubule polymerization and stability by interacting with microtubule associated proteins and/or microtubule organizing centers rather than interaction directly with tubulin. {{cite journal}}: |access-date= requires |url= (help)CS1 maint: multiple names: authors list (link)
3. Material Safety Data Sheet for Dimension

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