Ornidazole

Ornidazole is an antibiotic used to treat protozoan infections.^[1]: 1368 A synthetic nitroimidazole, it is commercially obtained from an acid-catalyzed reaction between 2-methyl-5-nitroimidazole and epichlorohydrin. ^[2] Ornidazole is nothing but chloro-secnidazole.

Trade namesXynor

AHFS/Drugs.comInternational Drug Names

Routes of
administrationOral

ATC code

• G01AF06 (WHO) J01XD03 (WHO) P01AB03 (WHO) QP51AA03 (WHO)

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Ornidazole

Clinical data
Trade names	Xynor
AHFS/Drugs.com	International Drug Names
Routes of administration	Oral
ATC code	G01AF06 (WHO) J01XD03 (WHO) P01AB03 (WHO) QP51AA03 (WHO)
Pharmacokinetic data
Metabolism	Via liver[1]: 1356
Elimination half-life	12-13 hours[1]: 1356
Excretion	Urine (63%) and Feces (22%)
Identifiers
IUPAC name 1-Chloro-3-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ol
CAS Number	16773-42-5 Y
PubChem CID	28061
DrugBank	DB13026 Y
ChemSpider	26102 Y
UNII	62XCK0G93T
KEGG	D05274 Y
ChEBI	CHEBI:75176 N
ChEMBL	ChEMBL1449676 N
CompTox Dashboard (EPA)	DTXSID4045420
ECHA InfoCard	100.037.099
Chemical and physical data
Formula	C7H10ClN3O3
Molar mass	219.63 g·mol−1
3D model (JSmol)	Interactive image
SMILES [O-][N+](=O)c1cnc(n1CC(O)CCl)C
InChI InChI=1S/C7H10ClN3O3/c1-5-9-3-7(11(13)14)10(5)4-6(12)2-8/h3,6,12H,2,4H2,1H3 Y Key:IPWKIXLWTCNBKN-UHFFFAOYSA-N Y
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Antimicrobial spectrum is similar to that of metronidazole and is more well tolerated;^[1]: 1368 however there are concerns of lower relative efficacy.^[3]

It was first introduced for treating trichomoniasis before being recognized for its broad anti-protozoan and anti-anaerobic-bacterial capacities.^[4]: 1261 has also been investigated for use in Crohn's disease after bowel resection.^[5]