fonsecinone A

CHEBI:133759 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A dimeric naphthopyran with formula C32H26O10, originally isolated from Aspergillus niger. — 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:26195 CHEBI:26195
CHEBI:35618 CHEBI:35618
CHEBI:3992 CHEBI:3992
CHEBI:64459 CHEBI:64459
CHEBI:64542 CHEBI:64542
CHEBI:76224 CHEBI:76224

Chemical structure

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

SMILES

COc1cc(OC)c2c(O)c3c(=O)cc(C)oc3c(-c3c(OC)cc4cc(O)c5c(=O)cc(C)oc5c4c3OC)c2c1

InChI

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

Also called

5-hydroxy-10-(5-hydroxy-8,10-dimethoxy-2-methyl-4-oxo-4H-naphtho[1,2-b]pyran-9-yl)-6,8-dimethoxy-2-methyl-4H-naphtho[2,3-b]pyran-4-one (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:95152-75-3
knapsack:C00034519
reaxys:5206196

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:133759`	fonsecinone A	`antibioticmech:chebi-ef468d847f`	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.