Sivelestat sodium Impurity 1 CAS 5973-34-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 5973-34-2 |
| Molecular Formula | C11H14N2O3 |
| Molecular Weight | 222.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sivelestat sodium Impurity 1 (CAS 5973-34-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H14N2O3. Molecular weight: 222.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H14N2O3 |
| Molecular Weight | 222.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Sivelestat Standards
- Sivelestat Impurity 20 (CAS 1842-55-3)
- Sivelestat sodium Impurity 23 (CAS 82185-40-8)
- Sivelestat Impurity 15 (CAS 526-21-6)
- Sivelestat Impurity 17 (CAS 10167-30-3)
- Sivelestat Impurity 19 (CAS 612-34-0)
- Sivelestat Impurity 28 (CAS CATO-C4X-212328)
- Sivelestat Impurity 26 (CAS 4920-92-7)
- Sivelestat Impurity 27 (CAS CATO-C4X-212327)
Recommended Standards
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- Tofacitinib Impurity 161 (CAS 1638499-36-1)
- (3aS,12bR)-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole (CAS 1422571-39-8)
- 1-(azetidin-3-ylmethyl)-4-methylpiperazine trihydrochloride (CAS 1803610-06-1)
- 6-Amino-3-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3,4-dihydro-1,3,5-triazin-2(1H)-one (CAS 114522-16-6)
- N-(Benzo[d]isoxazol-3-yl)acetamide (CAS 52561-88-3)
- 3-(Butylthio)-5-(difluoromethyl)-4h-1,2,4-triazol-4-amine (CAS 886496-06-6)
- Semaglutide impurity 109 (CAS CATO-C4X-2226109)
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