Thunberginol A

Thunberginol A is an isocoumarin found in Hydrangea macrophylla^[1] and the herbal preparation hydrangeae dulcis folium which is produced from its leaves.^[2][3]

Thunberginol A

Chemical structure of thunberginol A
Names
Preferred IUPAC name 3-(3,4-Dihydroxyphenyl)-8-hydroxy-1H-2-benzopyran-1-one
Identifiers
CAS Number	147666-80-6 Y
3D model (JSmol)	Interactive image
ChemSpider	4479556
PubChem CID	5321948
UNII	WK8ZG6DZL6 Y
CompTox Dashboard (EPA)	DTXSID30163773
InChI InChI=1S/C15H10O5/c16-10-5-4-8(6-12(10)18)13-7-9-2-1-3-11(17)14(9)15(19)20-13/h1-7,16-18H Key: WHZXJVJVGGWZQI-UHFFFAOYSA-N
SMILES C1=CC2=C(C(=C1)O)C(=O)OC(=C2)C3=CC(=C(C=C3)O)O
Properties
Chemical formula	C15H10O5
Molar mass	270.240 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