Lapachol

Lapachol
Names


IUPAC name 2-Hydroxy-3-(3-methylbut-2-enyl)naphthalene-1,4-dione
Identifiers
CAS Number	84-79-7^Y
3D model (Jmol)	Interactive image
ChemSpider	10770962^N
ECHA InfoCard	100.001.421
EC Number	201-563-7
PubChem CID	3884
UNII	B221938VB6^N
InChI InChI=1S/C15H14O3/c1-9(2)7-8-12-13(16)10-5-3-4-6-11(10)14(17)15(12)18/h3-7,18H,8H2,1-2H3^N Key: CIEYTVIYYGTCCI-UHFFFAOYSA-N^N InChI=1/C15H14O3/c1-9(2)7-8-12-13(16)10-5-3-4-6-11(10)14(17)15(12)18/h3-7,18H,8H2,1-2H3 Key: CIEYTVIYYGTCCI-UHFFFAOYAS
SMILES CC(=CCC1=C(C2=CC=CC=C2C(=O)C1=O)O)C
Properties
Chemical formula	C₁₅H₁₄O₃
Molar mass	242.27
Appearance	Yellow crystals
Melting point	140 °C (284 °F; 413 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N (what is ^YN ?)
Infobox references

Lapachol is a natural phenolic compound isolated from the bark of the lapacho tree. This tree is known botanically as Handroanthus impetiginosus, but was formerly known by various other botanical names such as Tabebuia avellanedae. Lapachol is also found in other species of Handroanthus.

Lapachol is usually encountered as a yellow, skin-irritating powder from wood. Chemically, it is a derivative of vitamin K

Once studied as a possible treatment for some types of cancer, it is now considered too toxic for use