C01-A042

C01-A042
Names
	IUPAC name N-[(Ethoxyfluorophosphinyl)oxy]-2,2-difluoro-2-nitroethanimidoyl fluoride
Identifiers
CAS Number	17642-30-7 ;
3D model (JSmol)	Interactive image ;
ChemSpider	95564827 ;
PubChem CID	154735207 ;
CompTox Dashboard (EPA)	DTXSID701020098 ;
	InChI InChI=1S/C4H5F4N2O5P/c1-2-14-16(8,13)15-9-3(5)4(6,7)10(11)12/h2H2,1H3/b9-3- Key: WQEHDIIEGLMDOX-OQFOIZHKSA-N;
	SMILES CCOP(=O)(O/N=C(/C([N+](=O)[O-])(F)F)\F)F;
Properties
Chemical formula	C4H5F4N2O5P
Molar mass	268.060 g·mol−1
Density	1.506 g/mL
Boiling point	81 °C; 178 °F; 354 K (5 mmHg)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated December 25, 2025

C01-A042 is a Novichok agent.^[1]

References

↑ Handbook of chemical and biological warfare agents (2nd ed.). CRC Press. 24 August 2007. ISBN 9780849314346.

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Other	Dimethylcadmium Dimethylmercury Toxopyrimidine IDPN Tetraethyllead

Names

IUPAC name N-[(Ethoxyfluorophosphinyl)oxy]-2,2-difluoro-2-nitroethanimidoyl fluoride
Identifiers
CAS Number	17642-30-7
3D model (JSmol)	Interactive image
ChemSpider	95564827
PubChem CID	154735207
CompTox Dashboard (EPA)	DTXSID701020098
InChI InChI=1S/C4H5F4N2O5P/c1-2-14-16(8,13)15-9-3(5)4(6,7)10(11)12/h2H2,1H3/b9-3- Key: WQEHDIIEGLMDOX-OQFOIZHKSA-N
SMILES CCOP(=O)(O/N=C(/C([N+](=O)[O-])(F)F)\F)F
Properties
Chemical formula	C₄H₅F₄N₂O₅P
Molar mass	268.060 g·mol⁻¹
Density	1.506 g/mL
Boiling point	81 °C; 178 °F; 354 K (5 mmHg)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references