Urapidil Impurity 12 CAS 88733-12-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 88733-12-4 |
| Molecular Formula | C20H29N5O4 |
| Molecular Weight | 403.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Description
Urapidil Impurity 12 (CAS 88733-12-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H29N5O4. Molecular weight: 403.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H29N5O4 |
| Molecular Weight | 403.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1982 |
| Nitrogen Atoms | 5 |
Related Urapidil Standards
Recommended Standards
- N-(5-Guanidino-1-(naphthalen-2-ylamino)-1-oxopentan-2-yl)benzamide (CAS 305-09-9)
- N-(4-Ethoxy-3-methoxybenzyl)-5-methyl-2-(3-methylphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 951494-27-2)
- N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)-2-(m-tolyloxy)acetamide (CAS 312604-35-6)
- Cisatracurium Besilate EP Impurity F Iodide (CAS CATO-C4X-185046)
- Carteolol Impurity 37 (CAS CATO-C4X-228737)
- 2,6-Dimethyl-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-4H-pyran-4-one (CAS 61820-57-3)
- N-(5-Amino-2-fluorophenyl)octanamide (CAS 1020053-91-1)
- tert-Butyl 1H,4H,5H,6H-pyrrolo[3,4-d]imidazole-5-carboxylate (CAS 1050886-49-1)
- N-(2-(Dimethylamino)ethyl)-6-methoxyacridine-4-carboxamide (CAS 106626-76-0)
- Peptide 431 (CAS CATO-CPTD788431)
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