Tiotropium Bromide Impurity 23 CAS 54725-48-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 54725-48-3 |
| Molecular Formula | C17H21NO3 |
| Molecular Weight | 287.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tiotropium Bromide Impurity 23 (CAS 54725-48-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H21NO3. Molecular weight: 287.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H21NO3 |
| Molecular Weight | 287.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Tiotropium Standards
- Tiotropium Bromide Impurity 14 (CAS 61616-97-5)
- Tiotropium Impurity 41 (CAS CATO-C4X-176441)
- Tiotropium impurity 48 (CAS CATO-C4X-176448)
- Tiotropium impurity 50 (CAS CATO-C4X-176450)
- Tiotropium impurity 42 (CAS 2512209-13-9)
- Tiotropium Bromide EP Impurity E; (CAS 26447-85-8)
- Tiotropium Impurity 27 (CAS 3140-93-0)
- Tiotropium EP Impurity A (CAS 4746-63-8)
Recommended Standards
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- Rimegepant Impurity 149 (CAS CATO-C4X-2487149)
- Fosinopril impurity 4 (CAS CATO-C4X-16524)
- Sivelestat sodium tetrahydrate (CAS 201677-61-4)
- 2-Phenyl-1h-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1261804-09-4)
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- 5-Cyclopropoxy-6-isopropylpicolinamide (CAS 1243371-54-1)
- Tau Peptide (401-411)-Lys-Lys trifluoroacetate salt (CAS 2022956-59-6)
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