Urapidil Impurity 17 CAS 34661-85-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 34661-85-3 |
| Molecular Formula | C21H31N5O3 |
| Molecular Weight | 401.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Urapidil Impurity 17 (CAS 34661-85-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H31N5O3. Molecular weight: 401.50 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H31N5O3 |
| Molecular Weight | 401.50 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 5 |
Related Urapidil Standards
- Urapidil Impurity 49 (CAS CATO-C4X-192449)
- Urapidil Impurity 57 (CAS CATO-C4X-192457)
- Urapidil Impurity 89 (CAS CATO-C4X-192489)
- 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)
Recommended Standards
- Tandospirone Impurity 14 (CAS CATO-C4X-187514)
- Fexofenadine Impurity 20 (CAS 96067-93-5)
- Tebipenem Pivoxil Impurity P9 (CAS 1595319-82-6)
- Hydroxychloroquine Impurity 33 (CAS 74509-79-8)
- Desloratadine Impurity 46 (CAS CATO-C4X-143046)
- tert-Butyl ((1S,3R,4S)-3-amino-4-(hydroxymethyl)cyclopentyl)carbamate (CAS 2455426-42-1)
- 1,3-Benzenedicarboxylic acid, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, 3-hydroxy-2,2-dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate and 2-oxepanone (CAS 41238-51-1)
- (2S)-2-Amino-N-ethyl-N-((1-methylpyrrolidin-3-yl)methyl)propanamide (CAS 1354028-19-5)
- 1-{4-[2-(pyridin-4-yl)pyrimidin-4-yl]phenyl}-1H-1,3-benzodiazole (CAS 685106-80-3)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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