Difloxacin hydrochloride
Difloxacin hydrochloride (CAS 91296-86-5) is a fluoroquinolone antibiotic with the empirical formula C21H19F2N3O3 · HCl and a molecular weight of 435.85 g/mol. It exhibits broad-spectrum antibacterial activity. Primarily utilised in veterinary medicine, difloxacin hydrochloride is also researched for potential applications in human medicine, including the treatment of specific bacterial infections and the study of quinolone-induced tissue damage.
- IUPAC
- 6-Fluoro-1-(4-fluorophenyl)-1,4-dihydro-7-(4-methylpiperazino)-4-oxo-3-quinolinecarboxylic acid hydrochloride

Veterinary Antibiotic
Difloxacin hydrochloride is a fluoroquinolone antibiotic extensively used in veterinary practice. It is effective against a range of bacterial pathogens in animals.
Research in Human Medicine
Research suggests potential use in treating human bacterial infections such as <i>Chlamydia trachomatis</i> and chronic Q fever. It is also employed in studies investigating the effects of quinolones on tissue and potential mitigating factors.
Pharmacological Research
Used as a tool compound to study the mechanisms of action and potential side effects of fluoroquinolone antibiotics, particularly in research models exploring magnesium supplementation's role in reducing quinolone-induced damage.
| Molecular weight | 435.85 |
|---|---|
| Empirical formula | C21H19F2N3O3 · HCl |
| Assay | ≥98% (HPLC) |
| Storage temperature | room temp |
| Application | Difloxacin is a fluoroquinolone antibiotic commonly used in veterinary medicine. It is a potential treatment for Chlamydia trachomatis infections1 and chronic Q fever in humans2. It has been used to study how potential supplementation (magnesium) may reduce quinolone-induced damage in the horse and dog models3. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Difloxacin hydrochloride used for?
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Difloxacin hydrochloride is primarily used in veterinary medicine as an antibacterial agent. It is also researched for potential applications in human medicine and as a tool in pharmacological research to study quinolone effects.
What is the CAS number and formula for Difloxacin hydrochloride?
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The CAS number for Difloxacin hydrochloride is 91296-86-5, and its empirical formula is C21H19F2N3O3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Difloxacin hydrochloride with an assay of ≥98% (HPLC). This product is supplied for laboratory and research use and is not represented as USP, BP, or EP grade.
What are the safety considerations when handling Difloxacin hydrochloride?
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When handling Difloxacin hydrochloride, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if respiratory protection is necessary. It is classified under WGK Germany 3.
How is Difloxacin hydrochloride shipped and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Difloxacin hydrochloride, which is typically shipped at room temperature. We adhere to all relevant regulations for international export.
How can I request a sample or quote for Difloxacin hydrochloride?
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To request a sample or a quotation for Difloxacin hydrochloride, please contact our sales team via the website or your dedicated account manager. Please include the product name and CAS number (91296-86-5) in your request.
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