sigmoidin A

CHEBI:66482 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A tetrahydroxyflavanone that is (2S)-flavanone substituted by hydroxy groups at positions 5, 7, 3' and 4' and prenyl groups at positions 2' and 5'. Isolated from Erythrina sigmoidea, it exhibits anti-inflammatory and antioxidant activities. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:140331 CHEBI:140331
CHEBI:38742 CHEBI:38742

Chemical structure

Computed structure properties
Molecular formula	C25H28O6
Charge	0
Average mass	424.493 Da
Monoisotopic mass	424.18859 Da
Source	ChEBI
InChIKey	BVHLNRAYBCPKOY-NRFANRHFSA-N

SMILES

CC(C)=CCc1cc([C@@H]2CC(=O)c3c(O)cc(O)cc3O2)c(CC=C(C)C)c(O)c1O

InChI

InChI=1S/C25H28O6/c1-13(2)5-7-15-9-18(17(8-6-14(3)4)25(30)24(15)29)21-12-20(28)23-19(27)10-16(26)11-22(23)31-21/h5-6,9-11,21,26-27,29-30H,7-8,12H2,1-4H3/t21-/m0/s1

Also called

(2S)-2-[3,4-dihydroxy-2,5-bis(3-methylbut-2-en-1-yl)phenyl]-5,7-dihydroxy-2,3-dihydro-4H-chromen-4-one (EXACT_SYNONYM)— chebi
(2S)- 2-(3,4-dihydroxy-2,5-bis(3-methyl-2-butenyl)phenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one (EXACT_SYNONYM)— chebi
5,7,3',4'-tetrahydroxy-2',5'-diprenylflavone (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:87746-48-3
lipidmaps:LMPK12140398
reaxys:5171104

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33282 CHEBI:33282

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:66482`	sigmoidin A	`antibioticmech:chebi-14cff7a1dc`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.