Dopachrome

Dopachrome
Names
	IUPAC name 5,6-Dioxo-2,3,5,6-tetrahydro-1H-indole-2-carboxylic acid
Identifiers
CAS Number	3571-34-4;
3D model (JSmol)	Interactive image;
ChemSpider	106643;
MeSH	dopachrome
PubChem CID	119399;
UNII	DWA58A6ZW7 ;
CompTox Dashboard (EPA)	DTXSID30897147 ;
	InChI InChI=1S/C9H7NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h2-3,6,10H,1H2,(H,13,14) Key: VJNCICVKUHKIIV-UHFFFAOYSA-N; InChI=1/C9H7NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h2-3,6,10H,1H2,(H,13,14) Key: VJNCICVKUHKIIV-UHFFFAOYAH;
	SMILES C1C(NC2=CC(=O)C(=O)C=C21)C(=O)O;
Properties
Chemical formula	C9H7NO4
Molar mass	193.158 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

Dopachrome is a cyclization product of L-DOPA and is an intermediate in the biosynthesis of melanin.^[1] It may tautomerise to form DHICA.

References

^ Pawelek JM (March 1991). "After dopachrome?". Pigment Cell Res. 4 (2): 53–62. doi:10.1111/j.1600-0749.1991.tb00315.x. PMID 1946209.