physcion

CHEBI:38167 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

A dihydroxyanthraquinone that is 9,10-anthraquinone bearing hydroxy substituents at positions 1 and 8, a methoxy group at position 3, and a methyl group at position 6. It has been widely isolated and characterised from both terrestrial and marine sources. — 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.

Label unavailable CHEBI:37484

Chemical structure

Computed structure properties
Molecular formula	C16H12O5
Charge	0
Average mass	284.267 Da
Monoisotopic mass	284.06847 Da
Source	ChEBI
InChIKey	FFWOKTFYGVYKIR-UHFFFAOYSA-N

SMILES

COc1cc(O)c2c(c1)C(=O)c1cc(C)cc(O)c1C2=O

InChI

InChI=1S/C16H12O5/c1-7-3-9-13(11(17)4-7)16(20)14-10(15(9)19)5-8(21-2)6-12(14)18/h3-6,17-18H,1-2H3

Also called

1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione (EXACT_SYNONYM)— chebi
1,8-Dihydroxy-3-methoxy-6-methylanthraquinone (EXACT_SYNONYM)— chebi
1,8-dihydroxy-3-methoxy-6-methyl-9,10-anthracenedione (EXACT_SYNONYM)— chebi
1,8-dihydroxy-3-methyl-6-methoxyanthraquinone (EXACT_SYNONYM)— chebi
Emodin monomethyl ether (EXACT_SYNONYM)— chebi
Parienin (EXACT_SYNONYM)— chebi
Physcione (EXACT_SYNONYM)— chebi
Rheochrysidin (EXACT_SYNONYM)— chebi
parietin (EXACT_SYNONYM)— chebi

Cross-references

Identifiers for this same structure in other resources. An accession that lands on two different structures in this corpus is withheld from both rather than shown here, since it names at most one of them.

Activity roles

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

antibacterial agent CHEBI:33282
antifungal agent 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:38167`	physcion	`antibioticmech:chebi-b25bcb047f`	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 (YAML).

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