nigerone

CHEBI:145950 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A biaryl resulting from the formal oxidative dimerisation of two molecules of 5-hydroxy-6,8-dimethoxy-2-methyl-4H-benzo[g]chromen-4-one to form a single bond linking position 10 of each moiety (the 10<a href="https://en.wikipedia.org/wiki/Axial_chirality" target="_blank">Ra enantiomer</a>). — 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:33853 CHEBI:33853
CHEBI:64459 CHEBI:64459
CHEBI:64986 CHEBI:64986

Chemical structure

Computed structure properties
Molecular formula	C32H26O10
Charge	0
Average mass	570.55 Da
Monoisotopic mass	570.1526 Da
Source	ChEBI
InChIKey	MBDIPBHBEVOYQB-UHFFFAOYSA-N

SMILES

COc1cc(OC)c2c(O)c3c(=O)cc(C)oc3c(-c3c4cc(OC)cc(OC)c4c(O)c4c(=O)cc(C)oc34)c2c1

InChI

InChI=1S/C32H26O10/c1-13-7-19(33)27-29(35)23-17(9-15(37-3)11-21(23)39-5)25(31(27)41-13)26-18-10-16(38-4)12-22(40-6)24(18)30(36)28-20(34)8-14(2)42-32(26)28/h7-12,35-36H,1-6H3

Also called

(10Ra)-5,5'-dihydroxy-6,6',8,8'-tetramethoxy-2,2'-dimethyl-4H,4'H-[10,10'-bibenzo[g]chromene]-4,4'-dione (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:76069-41-5
foodb.food:FDB011548
hmdb:HMDB0033496

Activity roles

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

CHEBI:35718 CHEBI:35718

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:145950`	nigerone	`antibioticmech:chebi-8575d2c194`	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.