eurysterol B

CHEBI:65889 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

An organic sodium salt that is monosodium salt of eurysterol B sulfonic acid. Isolated from an undescribed marine sponge of the genus Euryspongia collected in Palau, it is cytotoxic and exhibits antifungal activity against both amphotericin B-resistant and wild-type strains of Candida albicans. — 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:38700 CHEBI:38700

Chemical structure

Computed structure properties
Molecular formula	C27H43O7S.Na
Charge	0
Average mass	534.691 Da
Monoisotopic mass	534.26272 Da
Source	ChEBI
InChIKey	OZULCLLLPIEFBL-FUPZROSBSA-M

SMILES

[H][C@@]12CC[C@]([H])([C@H](C)/C=C/CC(C)C)[C@@]1(C)CC[C@]1([H])[C@@]34CC[C@H](OS(=O)(=O)[O-])C[C@]3(O)[C@H](O)C[C@@]21OC4.[Na+]

InChI

InChI=1S/C27H44O7S.Na/c1-17(2)6-5-7-18(3)20-8-9-21-24(20,4)12-11-22-25-13-10-19(34-35(30,31)32)14-27(25,29)23(28)15-26(21,22)33-16-25;/h5,7,17-23,28-29H,6,8-16H2,1-4H3,(H,30,31,32);/q;+1/p-1/b7-5+;/t18-,19+,20-,21-,22-,23-,24-,25+,26-,27+;/m1./s1

Also called

sodium(3β,5α,6β,22E)-5,6-dihydroxy-8,19-epoxycholest-22-en-3-yl sulfate (EXACT_SYNONYM)— chebi
sodium (22E)-5α-cholest-22-en-8,19-epoxy-3β,5,6β-triol-3-sulphate (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:11166279

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:65889`	eurysterol B	`antibioticmech:chebi-7ca91ca71f`	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.