thionazin
{{Chembox
| ImageFile = Thionazin.svg
| ImageSize = 200px
| PIN = O,O-Diethyl O-(pyrazin-2-yl) phosphorothioate
| OtherNames = O,O-Diethyl-O-pyrazin-2-ylthiophosphate; Thionazine; Nemaphos; Zinophos
|Section1={{Chembox Identifiers
| CASNo = 297-97-2
| CASNo_Ref = {{cascite|correct|}}
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = KLQ2UIW7HT
| PubChem = 9272
| ChemSpiderID = 8915
| SMILES = S=P(Oc1nccnc1)(OCC)OCC
| InChI = 1/C8H13N2O3PS/c1-3-11-14(15,12-4-2)13-8-7-9-5-6-10-8/h5-7H,3-4H2,1-2H3
| InChIKey = IRVDMKJLOCGUBJ-UHFFFAOYAY
| StdInChI = 1S/C8H13N2O3PS/c1-3-11-14(15,12-4-2)13-8-7-9-5-6-10-8/h5-7H,3-4H2,1-2H3
| StdInChIKey = IRVDMKJLOCGUBJ-UHFFFAOYSA-N
}}
|Section2={{Chembox Properties
| C=8 | H=13 | N=2 | O=3 | P=1 | S=1
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|Section3={{Chembox Hazards
| MainHazards =
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Thionazin is a chemical compound used in nematicides.{{cite web |author=University of Hertfordshire |title=Thionazin (Ref: AC 18133 ) |url=http://sitem.herts.ac.uk/aeru/ppdb/en/Reports/1253.htm |website=sitem.herts.ac.uk}}