Urapidil Impurity 9 CAS 108997-11-1
| CAS No. | 108997-11-1 |
| Molecular Formula | C24H34N4O2 |
| Molecular Weight | 410.55 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C24H34N4O2, Urapidil Impurity 9 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 410.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Urapidil Impurity 9 (CAS 108997-11-1, C24H34N4O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Urapidil Impurity 9 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C24H34N4O2 |
| Molecular Weight | 410.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
Related Urapidil Standards
- Urapidil Impurity 20 (CAS CATO-C4X-192420)
- Urapidil Impurity 10 (CAS CATO-C4X-192410)
- Urapidil Impurity 12 (CAS 88733-12-4)
- Urapidil Impurity 34 (CAS 62845-30-1)
- Urapidil Impurity 35 (CAS CATO-C4X-192435)
- Urapidil Impurity 68 (CAS 1703052-28-1)
- Urapidil Impurity 89 (CAS CATO-C4X-192489)
- Urapidil Impurity 64 (CAS CATO-C4X-192464)
Recommended Standards
- Tilorone (CAS 27591-97-5)
- Lincomycin-13C-d3 (CAS CATO-CCAD304005)
- tert-butyl (3R)-3-(tert-butoxycarbonylamino)spiro[3H-benzofuran-2,4'-piperidine]-1'-carboxylate (CAS 2377357-02-1)
- Trichlophenidin (CAS 53720-80-2)
- Atrasentan Impurity 175 (CAS 1059051-98-7)
- Finerenone Impurity 191 (CAS CATO-C4X-2880191)
- Sodium Fusidate EP Impurity I (CAS 5951-83-7)
- Diphenyl(trifluoromethyl)sulfonium (CAS 112425-77-1)
- 2,4-Difluoro-N-(2-((furan-2-ylmethyl)thio)ethyl)benzenesulfonamide (CAS 680211-96-5)
- 2-Bromo-4,5-dihydro-6H-cyclopenta[d]thiazol-6-one (CAS 1502630-69-4)
- 3-Methyl-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1H-pyrazol-5-one (CAS 321-05-1)
- 1-{4-[(2,3-dihydro-1h-indol-1-yl)methyl]phenyl}methanamine (CAS 954260-60-7)
- (R)-2-(2-chloro-3,6-difluorophenyl)pyrrolidine hydrochloride (CAS 1391451-65-2)
- Peptide T (CAS 106362-32-7)
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 18665070610 / Nicole.chen@cato-chem.com