2-Oxopent-4-enoic acid

2-Oxopent-4-enoic acid
Names
	IUPAC name 2-Oxo-4-pentenoic acid
	Other names Oxopentenoate; 2-Keto-4-pentenoate; 2-Keto-4-pentenoic acid; 2-Oxopent-4-enoate
Identifiers
3D model (JSmol)	Interactive image;
ChemSpider	951;
PubChem CID	976;
CompTox Dashboard (EPA)	DTXSID20174358 ;
	InChI InChI=1S/C5H6O3/c1-2-3-4(6)5(7)8/h2H,1,3H2,(H,7,8) Key: NOXRYJAWRSNUJD-UHFFFAOYSA-N; InChI=1/C5H6O3/c1-2-3-4(6)5(7)8/h2H,1,3H2,(H,7,8) Key: NOXRYJAWRSNUJD-UHFFFAOYAP;
	SMILES O=C(C(=O)O)C\C=C;
Properties
Chemical formula	C5H6O3
Molar mass	114.100 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-Oxopent-4-enoic acid (2-oxopent-4-enoate) is formed by the dehydration of 4-hydroxy-2-oxopentanoate by 2-oxopent-4-enoate hydratase or by the hydrolysis of 2-hydroxymuconate semialdehyde by 2-hydroxymuconate-semialdehyde hydrolase.^[1]

References

^ Sala-Trepat JM, Evans WC (1971). "The meta cleavage of catechol by Azotobacter species 4-Oxalocrotonate pathway". Eur. J. Biochem. 20 (3): 400–13. doi:10.1111/j.1432-1033.1971.tb01406.x. PMID 4325686.

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