Skip to content
Molekula

Molekula

Ciprofloxacin

CAS 85721-33-1 C17H18FN3O3 MW 331.34 In stock

Ciprofloxacin is a synthetic fluoroquinolone antibiotic used to treat a wide range of bacterial infections. It functions by inhibiting bacterial DNA gyrase and topoisomerase IV, preventing DNA replication. Available in powder form with a molecular formula of C17H18FN3O3, it has a molecular weight of 331.34 g/mol and a CAS number of 85721-33-1. Store at -15 to -20 °C. Molekula supplies Ciprofloxacin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Ciprofloxacin is a synthetic fluoroquinolone antibiotic used to treat a wide range of bacterial infections. It functions by inhibiting bacterial DNA gyrase and topoisomerase IV, preventing DNA replication. Available in powder form with a molecular formula of C17H18FN3O3, it has a molecular weight of 331.34 g/mol and a CAS number of 85721-33-1. Store at -15 to -20 °C. Molekula supplies Ciprofloxacin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White crystalline powder
Heavy metals ≤0.002%
Identification IR: conforms to the USP Ciprofloxacin RS spectrum. HPLC: the retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay.
Loss on Drying ≤1.0%
Sulfate ≤0.04%
Assay 98.0 - 102.0% (on the dried basis)
Residue on Ignition ≤0.1%
Any other single impurity ≤0.2%
Total Impurities ≤0.5%
Clarity of Solution Clear to slightly opalescent (0.25 g/10 mL 0.1 N hydrochloric acid)
Chloride ≤0.02%
Ciprofloxacin ethylenediamine analog ≤0.2%
Limit of Fluoroquinolonic Acid ≤0.2%

Storage & handling

Property Value
Storage Temperature -15 to -20 °C
Shelf Life 60 months
Acidity Acid

Identification

Property Value
CAS Number 85721-33-1
Molecular Formula C17H18FN3O3
Molecular Weight 331.34
SMILES C1CC1N2C=C(C(=O)C3=CC(=C(C=C32)N4CCNCC4)F)C(=O)O
REACH Code Y113
HTS Code 2933599500
Tariff Code 2933599590

Safety & GHS

None

Precautionary statements

  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Ciprofloxacin used for?

Ciprofloxacin is a broad-spectrum antibiotic used to treat bacterial infections such as urinary tract infections, respiratory infections, and skin infections.

What is the chemical formula and molecular weight of Ciprofloxacin?

The chemical formula is C17H18FN3O3 and the molecular weight is 331.34 g/mol.

How should Ciprofloxacin be stored?

Ciprofloxacin should be stored at temperatures between -15 and -20 °C to maintain stability.

What grade of Ciprofloxacin does Molekula supply?

Molekula supplies Ciprofloxacin in research grade, suitable for laboratory use.

Can Molekula supply Ciprofloxacin in bulk quantities?

Yes, Molekula can supply Ciprofloxacin in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with a Ciprofloxacin order?

Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Email
Product
Quantity
Note