cytonic acid B

CHEBI:65718 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A benzoate ester obtained by the formal condensation of the carboxy group of 4-[(2,4-dihydroxy-6-propylbenzoyl)oxy]-2-hydroxy-6-propylbenzoic acid with the 4-hydroxy group of 2,4-dihydroxy-6-pentylbenzoic acid (olivetolic acid). It is isolated from the endophytic fungi Cytonaema and acts as an inhibitor of human cytomegalovirus (hCMV) protease. — 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:25389 CHEBI:25389
CHEBI:33572 CHEBI:33572
CHEBI:36054 CHEBI:36054

Chemical structure

Computed structure properties
Molecular formula	C32H36O10
Charge	0
Average mass	580.63 Da
Monoisotopic mass	580.23085 Da
Source	ChEBI
InChIKey	NUJLMXRQKUYQKE-UHFFFAOYSA-N

SMILES

CCCCCc1cc(OC(=O)c2c(O)cc(OC(=O)c3c(O)cc(O)cc3CCC)cc2CCC)cc(O)c1C(=O)O

InChI

InChI=1S/C32H36O10/c1-4-7-8-11-20-14-23(16-25(35)27(20)30(37)38)42-32(40)29-19(10-6-3)13-22(17-26(29)36)41-31(39)28-18(9-5-2)12-21(33)15-24(28)34/h12-17,33-36H,4-11H2,1-3H3,(H,37,38)

Also called

4-({4-[(2,4-dihydroxy-6-propylbenzoyl)oxy]-2-hydroxy-6-propylbenzoyl}oxy)-2-hydroxy-6-pentylbenzoic acid (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:8667710

Activity roles

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

CHEBI:22587 CHEBI:22587

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:65718`	cytonic acid B	`antibioticmech:chebi-bffdca7922`	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.