proanthocyanidin A2

CHEBI:28472 ·resolve ·ANTIVIRAL ·EXACT SEEDED

A proanthocyanidin obtained by the condensation of (−)-epicatechin units. — 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:26267 CHEBI:26267
CHEBI:72010 CHEBI:72010

Chemical structure

Computed structure properties
Molecular formula	C30H24O12
Charge	0
Average mass	576.51 Da
Monoisotopic mass	576.12678 Da
Source	ChEBI
InChIKey	NSEWTSAADLNHNH-LSBOWGMISA-N

SMILES

Oc1cc(O)c2c(c1)O[C@@]1(c3ccc(O)c(O)c3)Oc3cc(O)c4c(c3[C@@H]2[C@H]1O)O[C@H](c1ccc(O)c(O)c1)[C@H](O)C4

InChI

InChI=1S/C30H24O12/c31-13-7-20(37)24-22(8-13)41-30(12-2-4-16(33)19(36)6-12)29(39)26(24)25-23(42-30)10-17(34)14-9-21(38)27(40-28(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,21,26-27,29,31-39H,9H2/t21-,26-,27-,29-,30+/m1/s1

Also called

(2R,3R,8S,14R,15R)-2,8-bis(3,4-dihydroxyphenyl)-3,4-dihydro-2H,14H-8,14-methanochromeno[7,8-d][1,3]benzodioxocine-3,5,11,13,15-pentol (EXACT_SYNONYM)— chebi
Epicatechin-(2β→7,4β→8)-epicatechin (EXACT_SYNONYM)— chebi
Proanthocyanidin A2 (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

cas:41743-41-3
hmdb:HMDB0037655
kegg.compound:C10237
knapsack:C00002934
patent:US2011275598
patent:WO2010086319
reaxys:1304336
wikipedia.en:Proanthocyanidin_A2

Activity roles

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

CHEBI:64946 CHEBI:64946

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:28472`	proanthocyanidin A2	`antibioticmech:chebi-4d47e21877`	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.