6,6'-bieckol

CHEBI:65496 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A phlorotanin that is 1,1'-bioxanthrene substituted by 3,5-dihydroxyphenoxy groups at position 6 and 6' and hydroxy groups at positions 2, 2', 4, 4', 7, 7', 9 and 9' respectively. It is isolated from an edible marine brown alga Ecklonia cava and exhibits antioxidant activity. — 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:35618 CHEBI:35618
CHEBI:38104 CHEBI:38104
CHEBI:71222 CHEBI:71222

Chemical structure

Computed structure properties
Molecular formula	C36H22O18
Charge	0
Average mass	742.554 Da
Monoisotopic mass	742.08061 Da
Source	ChEBI
InChIKey	HBJNTPFHQKXWOY-UHFFFAOYSA-N

SMILES

Oc1cc(O)cc(Oc2c(O)cc(O)c3c2Oc2c(O)cc(O)c(-c4c(O)cc(O)c5c4Oc4c(O)cc(O)c(Oc6cc(O)cc(O)c6)c4O5)c2O3)c1

InChI

InChI=1S/C36H22O18/c37-11-1-12(38)4-15(3-11)49-29-21(45)9-23(47)31-35(29)53-27-19(43)7-17(41)25(33(27)51-31)26-18(42)8-20(44)28-34(26)52-32-24(48)10-22(46)30(36(32)54-28)50-16-5-13(39)2-14(40)6-16/h1-10,37-48H

Also called

6,6'-bis(3,5-dihydroxyphenoxy)-1,1'-bioxanthrene-2,2',4,4',7,7',9,9'-octol (EXACT_SYNONYM)— chebi
4-(3,5-dihydroxyphenoxy)-9-[6-(3,5-dihydroxyphenoxy)-2,4,7,9-tetrahydroxyoxanthren-1-yl]oxanthrene-1,3,6,8-tetrol (EXACT_SYNONYM)— chebi
6,6'-bis(3,5-dihydroxyphenoxy)-(1,1'-bidibenzo[b,e][1,4]dioxin)-2,2',4,4',7,7',9,9'-octol (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:88095-81-2
reaxys:5713463

Activity roles

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

CHEBI:64947 CHEBI:64947

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:65496`	6,6'-bieckol	`antibioticmech:chebi-3c3df3a882`	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.