2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate

2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate

Names
Preferred IUPAC name Ethyl 3-{[(cyclohexyloxy)(methylphosphonoyl)]oxy}but-2-enoate
Identifiers
3D model (JSmol)	Interactive image
ChemSpider	95669708
PubChem CID	154263067
CompTox Dashboard (EPA)	DTXSID201020093
InChI InChI=1S/C13H23O5P/c1-4-16-13(14)10-11(2)17-19(3,15)18-12-8-6-5-7-9-12/h10,12H,4-9H2,1-3H3 Key: TTYDEDJCAOJJNU-UHFFFAOYSA-N
SMILES CCOC(=O)C=C(C)O[P](C)(=O)OC1CCCCC1
Properties
Chemical formula	C13H23O5P
Molar mass	290.296 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate is an extremely toxic organophosphate nerve agent. It is the cyclohexyl methylphosphonate ester of ethyl acetoacetate. The compound has two isomers, the cis isomer and trans isomer, with the trans isomer being more toxic.^[1] EA-1671 is its lower but more toxic homolog.^[2]