5-Hydroxymaltol

5-Hydroxymaltol, a derivative of maltol, is a substance that can be found in Penicillium echinulatum.^[1] It is also found in toasted oak^[2] and also in honeys from blue gum (Eucalyptus leucoxylon) and yellow box (Eucalyptus melliodora).^[3]

5-Hydroxymaltol

Names
Preferred IUPAC name 3,5-Dihydroxy-2-methyl-4H-pyran-4-one
Other names 3,5-Dihydroxy-2-methylpyran-4-one
Identifiers
CAS Number	1073-96-7 Y
3D model (JSmol)	Interactive image
ChemSpider	63795 Y
ECHA InfoCard	100.258.796
PubChem CID	70627
UNII	DBQ2Q3Z4FR Y
CompTox Dashboard (EPA)	DTXSID50148002
InChI InChI=1S/C6H6O4/c1-3-5(8)6(9)4(7)2-10-3/h2,7-8H,1H3 Y Key: SSSNQLHKSUJJTE-UHFFFAOYSA-N Y
SMILES Cc1occ(O)c(=O)c1O
Properties
Chemical formula	C6H6O4
Molar mass	142.110 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references