6-Hydroxymellein

6-Hydroxymellein is a dihydroisocoumarin, a phenolic compound found in carrots.^[1] It has also been isolated in Aspergillus terreus and shows an inhibition of pollen development in Arabidopsis thaliana.^[2]

6-Hydroxymellein

Chemical structure of 6-hydroxymellein
Names
Preferred IUPAC name (3R)-6,8-Dihydroxy-3-methyl-3,4-dihydro-1H-2-benzopyran-1-one
Other names (R)-6-hydroxymellein (−)-6-Hydroxymellein
Identifiers
CAS Number	70901-60-9 Y
3D model (JSmol)	Interactive image
ChemSpider	388784
PubChem CID	439718
UNII	PUH8Z0Q805 Y
CompTox Dashboard (EPA)	DTXSID90991190
InChI InChI=1S/C10H10O4/c1-5-2-6-3-7(11)4-8(12)9(6)10(13)14-5/h3-5,11-12H,2H2,1H3 Key: DHLPMLVSBRRUGA-UHFFFAOYSA-N InChI=1/C10H10O4/c1-5-2-6-3-7(11)4-8(12)9(6)10(13)14-5/h3-5,11-12H,2H2,1H3 Key: DHLPMLVSBRRUGA-UHFFFAOYAI
SMILES O=C1OC(Cc2cc(O)cc(O)c12)C
Properties
Chemical formula	C10H10O4
Molar mass	194.18 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Biosynthesis

6-Methoxymellein is formed from S-adenosyl methionine and 6-hydroxymellein by the enzyme 6-hydroxymellein O-methyltransferase with secondary production of S-adenosylhomocysteine.^[3]