Tiotropium Bromide Impurity 33 CAS 498-45-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 498-45-3 |
| Molecular Formula | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Tiotropium Bromide Impurity 33 (CAS 498-45-3) pharmacopoeial impurity standards reference standard. Molecular formula: C8H13NO2. Molecular weight: 155.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Tiotropium Standards
- Tiotropium impurity N1 (CAS 487-27-4)
- Tiotropium Bromide Impurity 19 (CAS 498-46-4)
- Tiotropium Impurity 26 (CAS 10299-90-8)
- Tiotropium Bromide Impurity 32 (CAS 1570-95-2)
- Tiotropium Impurity 28 (CAS 59516-66-4)
- Tiotropium Impurity 29 (CAS 213967-57-8)
- Tiotropium Bromide Impurity 17 (CAS CATO-C4X-176417)
- Tiotropium Impurity 34 (CAS 169219-67-4)
Recommended Standards
- Brivaracetam impurity 101 (CAS CATO-C4X-2007101)
- Umeclidinium Impurity 8 (CAS 55022-88-3)
- Brivaracetam Impurity 120 (CAS CATO-C4X-2007120)
- Ilaprazole Impurity 40 (CAS 102625-96-7)
- All-Rac-Α-Tocopheryl Acetate EP Impurity D (CAS CATO-C4X-119535)
- Atogepant Impurity 58 (CAS CATO-C4X-328558)
- Imastaxime Impurity 2 (CAS CATO-C4X-31352)
- (2-methyl-2H-indazol-7-yl)methanamine hydrochloride (CAS 1400764-43-3)
- 4-(Furan-2-ylmethyl)-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxylic acid (CAS 847744-17-6)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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