Sitafloxacin Isomer Impurity 3(SSR) CAS 127254-11-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 127254-11-9 |
| Molecular Formula | C19H18ClF2N3O3 |
| Molecular Weight | 409.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sitafloxacin Isomer Impurity 3(SSR) (CAS 127254-11-9) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H18ClF2N3O3. Molecular weight: 409.81 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H18ClF2N3O3 |
| Molecular Weight | 409.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Sitafloxacin Standards
- Sitafloxacin Isomer Impurity 4(RSR) (CAS 127199-06-8)
- Sitafloxacin Isomer Impurity (RRR) (CAS CATO-C4X-11555)
- Sitafloxacin impurity 58 (CAS CATO-C4X-115558)
- Sitafloxacin Isomer Impurity 6(SRR) (CAS CATO-C4X-11556)
- Sitafloxacin Isomer Impurity 7(SSS) (CAS CATO-C4X-11557)
- Sitafloxacin Isomer Impurity 8(RSS) (CAS CATO-C4X-11558)
- Sitafloxacin Isomer Impurity 9(RRS) (CAS 127254-10-8)
- Sitafloxacin (CAS 127254-12-0)
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com