Luteolin
A tetrahydroxyflavone in which the four hydroxy groups are located at positions 3', 4', 5 and 7. It is thought to play an important role in the human body as an antioxidant, a free radical scavenger, an anti-inflammatory agent and an immune system modulator as well as being active against several cancers. — ChEBI
Safety documents & references
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Identity & molecular properties
Source-linked values| CAS number | 491-70-3 | ChEBI ↗ |
| Molecular formula | C15H10O6 | ChEBI ↗ |
| Molar mass | 286.239 g/mol | ChEBI ↗ |
| Monoisotopic mass | 286.04774 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:15864 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 286.24 g/mol | PubChem ↗ |
| Exact mass | 286.04773803 Da | PubChem ↗ |
| Computed XLogP | 1.4 | PubChem ↗ |
| Topological polar surface area (Ų) | 107 | PubChem ↗ |
| H-bond donors | 4 | PubChem ↗ |
| H-bond acceptors | 6 | PubChem ↗ |
| Rotatable bonds | 1 | PubChem ↗ |
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 identifierluteolin2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-oneIQPNAANSBPBGFQ-UHFFFAOYSA-NO=c1cc(-c2ccc(O)c(O)c2)oc2cc(O)cc(O)c12InChI=1S/C15H10O6/c16-8-4-11(19)15-12(20)6-13(21-14(15)5-8)7-1-2-9(17)10(18)3-7/h1-6,16-19HNames & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
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 massUses 286.239 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCOHCalculated 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 associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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.