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Chemical substance record

Piceatannol

10083-24-6C14H12O4244.246 g/mol
Organic/Inorganic Small MoleculeChEBI source record

A stilbenol that is trans-stilbene in which one of the phenyl groups is substituted by hydroxy groups at positions 3 and 4, while the other phenyl group is substituted by hydroxy groups at positions 3 and 5. — ChEBI

Safety references

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Identity & molecular properties

Source-linked values
CAS number10083-24-6ChEBI ↗
Molecular formulaC14H12O4ChEBI ↗
Molar mass244.246 g/molChEBI ↗
Monoisotopic mass244.07356 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:28814ChEBI ↗

Cross-source molecular data

PubChem
Molar mass244.24 g/molPubChem ↗
Exact mass244.07355886 DaPubChem ↗
Computed XLogP2.9PubChem ↗
Topological polar surface area (Ų)80.9PubChem ↗
H-bond donors4PubChem ↗
H-bond acceptors4PubChem ↗
Rotatable bonds2PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

Copy any identifier
piceatannol
4-[(1E)-2-(3,5-dihydroxyphenyl)ethenyl]benzene-1,2-diol
CDRPUGZCRXZLFL-OWOJBTEDSA-N
Oc1cc(O)cc(/C=C/c2ccc(O)c(O)c2)c1
InChI=1S/C14H12O4/c15-11-5-10(6-12(16)8-11)2-1-9-3-4-13(17)14(18)7-9/h1-8,15-18H/b2-1+

Names & synonyms

4-[(1E)-2-(3,5-dihydroxyphenyl)ethenyl]benzene-1,2-diol

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology
polyphenolChEBI parent class · 26195 ↗catecholsChEBI parent class · 33566 ↗resorcinolsChEBI parent class · 33572 ↗stilbenolChEBI parent class · 36027 ↗
phenolsorganic molecular entity

Roles recorded in ChEBI

geroprotectorhypoglycemic agentantineoplastic agentprotein kinase inhibitortyrosine kinase inhibitorapoptosis inducerplant metabolite

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00409423 mol

Uses 244.246 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 14 atoms
68.85%
O
Oxygen · 4 atoms
26.20%
H
Hydrogen · 12 atoms
4.95%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations
Piceatannol, a stilbene phytochemical, inhibits mitochondrial F0F1-ATPase activity by targeting the F1 complex. ↗Biochemical and biophysical research communications · 1999 Aug 2 · PMID 10425214
Inhibitory effect of piceatannol, a protein tyrosine kinase inhibitor, on asexual maturation of Plasmodium falciparum. ↗Indian journal of experimental biology · 1999 Apr · PMID 10641182
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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:28814

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 667639 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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