Ciprofloxacin impurity 43 CAS 105093-21-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 105093-21-8 |
| Molecular Formula | C17H18FN3O6S |
| Molecular Weight | 411.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ciprofloxacin impurity 43 (CAS 105093-21-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H18FN3O6S. Molecular weight: 411.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H18FN3O6S |
| Molecular Weight | 411.40 g/mol |
| Purity | 97%+ |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ciprofloxacin Standards
- Ciprofloxacin Impurity 15 (CAS 105589-00-2)
- Ciprofloxacin Impurity 17 (CAS 93594-29-7)
- Ciprofloxacin Impurity 34 (CAS CATO-C4X-136234)
- Ciprofloxacin Impurity 13 (CAS CATO-C4X-136213)
- Ciprofloxacin Ethyl Ester (CAS 105404-65-7)
- Ciprofloxacin Impurity 21 (CAS 93594-39-9)
- Ciprofloxacin EP Impurity D (CAS 133210-96-5)
- Ciprofloxacin impurity 45 (CAS 93106-58-2)
Recommended Standards
- tert-Butyl 2'-(((trifluoromethyl)sulfonyl)oxy)-5',6'-dihydrospiro[pyrrolidine-3,4'-pyrrolo[1,2-b]pyrazole]-1-carboxylate (CAS 2640496-81-5)
- N-(3-(imidazo[1,2-a]pyridin-2-yl)phenyl)-8-methoxy-2-oxo-2H-chromene-3-carboxamide (CAS 1100353-03-4)
- Methyl 4,6-O-Benzylidene-2-deoxy-2-N-phthalimido-β- D-glucopyranoside (CAS 97276-95-4)
- Bisoprolol Impurity 75 (CAS CATO-C4X-124775)
- Cefathiamidine Impurity 14 (CAS CATO-C4X-133714)
- 3-(3,3-Difluoroazetidin-1-yl)pyrrolidine hydrochloride (CAS 1784688-01-2)
- Benzyl 4-(N'-hydroxycarbamimidoyl)benzoate (CAS 1374664-22-8)
- 4-(Bis(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)methyl)benzoic acid (CAS 905776-24-1)
- Benzo[4,5]imidazo[2,1-c][1,2,4]triazin-4(1H)-one (CAS 257955-44-5)
- C-telopeptide (CAS 162929-64-8)
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