quinine(1+)

CHEBI:137041 ·resolve ·ANTIPROTOZOAL ·EXACT SEEDED

The monoprotonated form of quinine, the predominant species at pH7.3. — 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:25697
Label unavailable CHEBI:51323

Chemical structure

Computed structure properties
Molecular formula	C20H25N2O2
Charge	1
Average mass	325.432 Da
Monoisotopic mass	325.19105 Da
Source	ChEBI
InChIKey	LOUPRKONTZGTKE-WZBLMQSHSA-O

SMILES

[H][C@@]1([C@H](O)c2ccnc3ccc(OC)cc23)C[C@@H]2CC[N@H+]1C[C@@H]2C=C

InChI

InChI=1S/C20H24N2O2/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3/p+1/t13-,14-,19-,20+/m0/s1

Also called

(9R)-9-hydroxy-6'-methoxy-8α-cinchonan-1-ium (EXACT_SYNONYM)— chebi
quinine (RELATED_SYNONYM)— chebi

Activity roles

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

antimalarial CHEBI:38068

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:137041`	quinine(1+)	`antibioticmech:chebi-7bc199bca1`	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).

Explore across X-Mech: MediaIngredientMech (quinine(1+)) · CultureMech · NaturalProductMech · PathwayMech · TraitMech