3,3,5-Trimethylcyclohexyl 3-pyridyl methylphosphonate

VP

Names
Preferred IUPAC name Pyridin-3-yl 3,3,5-trimethylcyclohexyl methylphosphonate
Other names EA-1511[1]
Identifiers
3D model (JSmol)	Interactive image
PubChem CID	139033580
CompTox Dashboard (EPA)	DTXSID501020092
InChI InChI=1S/C15H24NO3P/c1-12-8-14(10-15(2,3)9-12)19-20(4,17)18-13-6-5-7-16-11-13/h5-7,11-12,14H,8-10H2,1-4H3 Key: KQWAOLPZVUPXQI-UHFFFAOYSA-N
SMILES CC2CC(OP(C)(=O)Oc1cccnc1)CC(C)(C)C2
Properties
Chemical formula	C15H24NO3P
Molar mass	297.335 g·mol−1
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Extremely toxic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

VP (3,3,5-Trimethylcyclohexyl 3-pyridyl methylphosphonate), also known as EA-1511, is an extremely toxic organophosphate nerve agent of the V-series.

Agent VP belongs to a class of organophosphates known as 3-pyridyl phosphonates. These agents are extremely potent acetylcholinesterase inhibitors.^[2]