Structure Database (LMSD)

Common Name
Penduletin
Systematic Name
5,4'-Dihydroxy-3,6,7-trimethoxyflavone
Synonyms
  • 5-Hydroxy-2-(4-hydroxyphenyl)-3,6,7-trimethoxy-4H-1-benzopyran-4-one
LM ID
LMPK12112874
Formula
C18H16O7
Exact Mass
Calculate m/z
344.089605
Status
Curated
Show lipids differing only in stereochemistry/bond geometry
View NP-MRD ID(NMR) spectrum

Classification

Category
Main Class
Sub Class
Polyketides [PK]
Flavonoids [PK12]
Flavones and Flavonols [PK1211]

References

Taxonomy Information

Curated from
NCBI taxonomy class
Reference
Viridiplantae (#33090)
Flavonoid imported from http://metabolomics.jp/
Brickellia pendula (#1550857)
Magnoliopsida (#3398)
The structure of pendulin and penduletin: a new flavonol glucoside isolated from brickelia pendula,
Tetrahedron, 1958

String Representations

InChiKey (Click to copy)
YSXFFLGRZJWNFM-UHFFFAOYSA-N
InChi (Click to copy)
InChI=1S/C18H16O7/c1-22-12-8-11-13(14(20)17(12)23-2)15(21)18(24-3)16(25-11)9-4-6-10(19)7-5-9/h4-8,19-20H,1-3H3
SMILES (Click to copy)
C1(OC)=CC2OC(C3C=CC(O)=CC=3)=C(OC)C(=O)C=2C(O)=C1OC

Other Databases

METABOLOMICS ID
FL5FEANS0015
PubChem CID
5320462

Calculated Physicochemical Properties

Heavy Atoms 25
Rings 3
Aromatic Rings 3
Rotatable Bonds 4
Van der Waals Molecular Volume 290.59
Topological Polar Surface Area 98.36
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 7
logP 3.80
Molar Refractivity 91.01

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Created at
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Updated at
20th Feb 2026