ciprofloxacin dihydrochloride

CHEBI:59938 ·resolve ·ANTIBACTERIAL ·EXACT SEEDED

The dihydrochloride salt of ciprofloxacin. — 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:36807 CHEBI:36807

Chemical structure

Computed structure properties
Molecular formula	C17H18FN3O3.2HCl
Charge	0
Average mass	404.269 Da
Monoisotopic mass	403.08658 Da
Source	ChEBI
InChIKey	PWRKLYZVCZMDTC-UHFFFAOYSA-N

SMILES

Cl.Cl.O=C(O)c1cn(C2CC2)c2cc(N3CCNCC3)c(F)cc2c1=O

InChI

InChI=1S/C17H18FN3O3.2ClH/c18-13-7-11-14(8-15(13)20-5-3-19-4-6-20)21(10-1-2-10)9-12(16(11)22)17(23)24;;/h7-10,19H,1-6H2,(H,23,24);2*1H

Also called

1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid dihydrochloride (EXACT_SYNONYM)— chebi
1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid dihydrochloride (EXACT_SYNONYM)— chebi

Activity roles

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

CHEBI:36047 CHEBI:36047

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:59938`	ciprofloxacin dihydrochloride	`antibioticmech:chebi-cee61d06d1`	2026-08-30

Mechanism summary

Mode of action: NUCLEIC_ACID_SYNTHESIS_INHIBITION microbial target — Assigned from ChEBI role CHEBI:50750 (EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor), CHEBI:53559 (topoisomerase IV inhibitor). ChEBI asserts the role on the compound. The role names a target specific to the microbe or virus — see mode_of_action_target_scope. Not a curator's mechanistic review.

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.