// Workers AI · dad joke modeWhat did DHICA say to its date? "I'm hair to stay.

DHICA
Names
	Preferred IUPAC name 5,6-Dihydroxy-1H-indole-2-carboxylic acid
Identifiers
CAS Number	4790-08-3;
3D model (JSmol)	Interactive image;
ChemSpider	106648;
MeSH	acid 5,6-dihydroxy-2-indolylcarboxylic acid
PubChem CID	119405;
UNII	S6M6LZR326 ;
CompTox Dashboard (EPA)	DTXSID40197327 ;
	InChI InChI=1S/C9H7NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h1-3,10-12H,(H,13,14) Key: YFTGOBNOJKXZJC-UHFFFAOYSA-N; InChI=1/C9H7NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h1-3,10-12H,(H,13,14) Key: YFTGOBNOJKXZJC-UHFFFAOYAX;
	SMILES C1=C2C=C(NC2=CC(=C1O)O)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

DHICA (5,6-dihydroxyindole-2-carboxylic acid) is an intermediate in the biosynthesis of melanin.^[1] Tautomerization of DHICA forms dopachrome.

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.

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