Peroxynitrite

Peroxynitrite
	Chemical structure of the peroxynitrite anion
Names
	IUPAC name Oxido nitrite
Identifiers
CAS Number	19059-14-4;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:25941;
ChemSpider	94607;
Gmelin Reference	674445
KEGG	C16845;
PubChem CID	104806;
UNII	UR67NH4U77 ;
CompTox Dashboard (EPA)	DTXSID10172540 ;
	InChI InChI=1S/HNO3/c2-1-4-3/h3H/p-1 Key: CMFNMSMUKZHDEY-UHFFFAOYSA-M;
	SMILES N(=O)O[O-];
Properties
Chemical formula	NO3−
Molar mass	62.005 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

Peroxynitrite (sometimes called peroxonitrite) is an ion with the formula ONOO⁻. It is a structural isomer of nitrate, NO⁻
₃. Peroxynitrite is a potent reactive nitrogen species and is highly cytotoxic.