Capillin

Capillin is a naturally occurring organic compound with the chemical formula C
₁₂H
₈O. The structure contains acetophenone and a polyyne (pentadiynyl) portion, conjugated together as an ynone.

Capillin

Names
Preferred IUPAC name 1-Phenylhexa-2,4-diyn-1-one
Other names Capillin
Identifiers
CAS Number	495-74-9 Y
3D model (JSmol)	Interactive image
ChemSpider	9899
PubChem CID	10321
UNII	9JXZ3SJG0I Y
CompTox Dashboard (EPA)	DTXSID90197812
InChI InChI=1S/C12H8O/c1-2-3-5-10-12(13)11-8-6-4-7-9-11/h4,6-9H,1H3 Key: RAZOKRUZEQERLH-UHFFFAOYSA-N
SMILES CC#CC#CC(=O)C1=CC=CC=C1
Properties
Chemical formula	C12H8O
Molar mass	168.195 g·mol−1
Melting point	82–83 °C
Solubility in water	0.0177 mg/mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical taxonomy

Capillin is found in the essential oil of a number of Artemisia species, including Artemisia monosperma and Artemisia dracunculus (tarragon).^[1] The substance was initially isolated from Artemisia capillaris in 1956.^[2]

Applications

Capillin is a biologically active substance. It has strong antifungal activity, and it is possibly antitumoral. Capillin exhibits cytotoxic activity and could cause apoptosis of certain human tumor cells.^[3]