Furosemide EP Impurity B CAS 2736-23-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 2736-23-4 |
| Molecular Formula | C7H5Cl2NO4S |
| Molecular Weight | 270.09 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Furosemide EP Impurity B (CAS 2736-23-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5Cl2NO4S. Molecular weight: 270.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5Cl2NO4S |
| Molecular Weight | 270.09 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Furosemide Standards
- Furosemide Impurity 17 (CAS CATO-C4X-140217)
- Furosemide Impurity N5 (CAS 62971-57-7)
- Furosemide Impurity 19 (CAS CATO-C4X-140219)
- Furosemide Impurity 27 (CAS 2760-11-4)
- Furosemide Impurity 8 (CAS 41332-59-6)
- Furosemide Impurity 51 (CAS CATO-C4X-140251)
- Furosemide Impurity 64 (CAS 116436-17-0)
- Furosemide Impurity 44 (CAS CATO-C4X-140244)
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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