Rifaximin

from source

C43H51N3O11 · 785.9 g/mol

Xifaxan · Rifacol · Xifaxsan · Normix

What is Rifaximin?

An antibiotic sold as Xifaxan that stays almost entirely in the gut, used for travellers' diarrhoea and irritable bowel syndrome. It is a cousin of rifampicin. from source

CategoryPrescription medicine

Chemical familyAlcohols Aromatics Ketones Esters Amides Phenols Ethers

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Fig. 1 · 2D structure RDKit

SMILESC[C@H]1/C=C/C=C(\C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)O…161 characters

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Toxicity & hazards

WarningIrritantHealth hazardH312, H332, H335, H361from source

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Where Rifaximin leads

Sources & methodology

PubChem CID: 6436173
Wikidata: Q416073
Structure: PubChem → RDKit
Similar molecules: MoleculeFinder fingerprint similarity
Data refreshed: October 19, 2026

How MoleculeFinder sources and labels its data