Molekula
Ofloxacin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ofloxacin is a broad-spectrum fluoroquinolone antibiotic used to treat bacterial infections in humans and animals, including urinary tract, respiratory, and skin infections. It works by inhibiting bacterial DNA replication. This chemical has a CAS number of 82419-36-1, a molecular formula of C18H20FN3O4, and a molecular weight of 361.37. It must be stored between 2 to 8 degrees Celsius and carries a "Warning" signal word for safety. Molekula supplies Ofloxacin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — $138.50 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Specific rotation | -1° to +1° |
| Heavy metals | <10ug/g |
| Loss on Drying | 0.2% max |
| Specification | USP |
| Assay | 98.5% |
| Ethanol | 0.05% max |
| Methanol | 0.005% max |
| Residue on Ignition | 0.1% max |
| Individual impurity | 0.3% max |
| Total Impurities | 0.5% max |
| Arsenic (As) | 1ug/g max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Off-white to pale yellow crystalline powder |
| Melting Point | 250-257 °C (decomposes) |
| pKa | pKa = 8.31 |
| log P (octanol/water) | -0.39 |
Source: PubChem CID 4583 (HSDB, ChEMBL)
Identification
| Property | Value |
|---|---|
| SKU | 11654280 |
| CAS Number | 82419-36-1 |
| IUPAC Name | 7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid |
| Molecular Formula | C18H20FN3O4 |
| Molecular Weight | 361.37 |
| Exact Mass | 361.1438 |
| SMILES | CC1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCN(CC4)C)F)C(=O)O |
| InChIKey | GSDSWSVVBLHKDQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C18H20FN3O4/c1-10-9-26-17-14-11(16(23)12(18(24)25)8-22(10)14)7-13(19)15(17)21-5-3-20(2)4-6-21/h7-8,10H,3-6,9H2,1-2H3,(H,24,25) |
| PubChem CID | 4583 |
| REACH Code | Y110 |
| HTS Code | 29349930 |
| Tariff Code | 2934999090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H303 May be harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
- H362 May cause harm to breast-fed children
- H373 May cause damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
- Exocin
- Floxin
- Hoe-280
- Ocuflox
- Ofloxacina
- Ofloxacine
- Ofloxacino
- Ofloxacinum
- Tarivid
- Visiren
Frequently asked questions
What is ofloxacin primarily used for?
Ofloxacin is a broad-spectrum fluoroquinolone antibiotic used to treat bacterial infections, including urinary tract infections, respiratory infections, and skin/soft tissue infections.
What is the chemical formula and molecular weight of ofloxacin?
The chemical formula is **C18H20FN3O4**, and the molecular weight is **361.37 g/mol**.
How should ofloxacin be stored?
Store ofloxacin between **2–8°C** in a dry, well-ventilated area, away from direct sunlight and incompatible substances.
What grades or purity levels of ofloxacin does Molekula supply?
Molekula supplies **pharmaceutical-grade ofloxacin** with high purity, suitable for research, development, and manufacturing applications.
Can Molekula supply ofloxacin in bulk quantities?
Yes, Molekula can provide ofloxacin in bulk, with quantities tailored to meet customer requirements—contact us for pricing and availability.
What documentation comes with an order of ofloxacin?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.