ethyl 3,4-dihydroxybenzoate

CHEBI:132364 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

An ethyl ester resulting from the formal condensation of the carboxy group of 3,4-dihydroxybenzoic acid with ethanol. It is the anti-oxidative component of peanut seed testa. — 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:23990 CHEBI:23990
CHEBI:33566 CHEBI:33566

Chemical structure

Computed structure properties
Molecular formula	C9H10O4
Charge	0
Average mass	182.175 Da
Monoisotopic mass	182.05791 Da
Source	ChEBI
InChIKey	KBPUBCVJHFXPOC-UHFFFAOYSA-N

SMILES

CCOC(=O)c1ccc(O)c(O)c1

InChI

InChI=1S/C9H10O4/c1-2-13-9(12)6-3-4-7(10)8(11)5-6/h3-5,10-11H,2H2,1H3

Also called

3,4-dihydroxybenzoic acid ethyl ester (EXACT_SYNONYM)— chebi
EDHB (EXACT_SYNONYM)— chebi
ethyl protocatechuate (EXACT_SYNONYM)— chebi
protocatechuic acid ethyl ester (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:3943-89-3
reaxys:2097435
wikipedia.en:Ethyl_protocatechuate

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:132364`	ethyl 3,4-dihydroxybenzoate	`antibioticmech:chebi-a742f93719`	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.