Molekula
Pefloxacin mesylate dihydrate
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
Pefloxacin mesylate dihydrate is a broad-spectrum fluoroquinolone antibiotic used to treat bacterial infections by inhibiting DNA gyrase and topoisomerase IV. It is also applied in veterinary medicine and research for its antimicrobial properties. This chemical has a CAS number of 149676-40-4, a molecular weight of 465.49 g/mol, and requires storage between 2 to 8°C. It carries a **Warning** signal word under GHS classification. Molekula supplies Pefloxacin mesylate dihydrate 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.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 110 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035018 |
| CAS Number | 149676-40-4 |
| IUPAC Name | 1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid;methanesulfonic acid;dihydrate |
| Molecular Formula | 149676-40-4 |
| Molecular Weight | 465.49 |
| Exact Mass | 465.1581 |
| SMILES | CCN1C=C(C(=O)C2=CC(=C(C=C21)N3CCN(CC3)C)F)C(=O)O.CS(=O)(=O)O.O.O |
| InChIKey | LEULAXMUNMRLPW-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H20FN3O3.CH4O3S.2H2O/c1-3-20-10-12(17(23)24)16(22)11-8-13(18)15(9-14(11)20)21-6-4-19(2)5-7-21;1-5(2,3)4;;/h8-10H,3-7H2,1-2H3,(H,23,24);1H3,(H,2,3,4);2*1H2 |
| PubChem CID | 6917670 |
| REACH Code | Y110 |
| Tariff Code | 2933599590 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, 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
- 1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-quinoline-3-carboxylic acid
- EU 5306
- Peflacin
- Peflacine
- Peflox
- Pefloxacin for system suitability CRS
- Pefloxacin Mesilate Dihydrate
- Pefloxacin mesilate dihydrate CRS
- RB 1589
- s4119
Frequently asked questions
What is pefloxacin mesylate dihydrate used for?
Pefloxacin mesylate dihydrate is a fluoroquinolone antibiotic used primarily for treating bacterial infections, including urinary tract, respiratory, and skin infections.
What is the molecular formula and molecular weight of pefloxacin mesylate dihydrate?
The molecular weight (MW) is **465.49 g/mol**; the exact molecular formula is not provided, but the CAS number is **149676-40-4**.
How should pefloxacin mesylate dihydrate be stored?
Store at **2–8°C** to maintain stability and potency.
What grades or purities of pefloxacin mesylate dihydrate does Molekula supply?
Molekula supplies **pharmaceutical-grade** pefloxacin mesylate dihydrate, suitable for research and development applications.
Can Molekula supply pefloxacin mesylate dihydrate in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for pricing and lead times.
What documentation comes with an order of pefloxacin mesylate dihydrate?
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.