Doxazosin EP Impurity G CAS 60547-97-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 60547-97-9 |
| Molecular Formula | C14H19N5O2 |
| Molecular Weight | 289.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Doxazosin EP Impurity G (CAS 60547-97-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H19N5O2. Molecular weight: 289.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H19N5O2 |
| Molecular Weight | 289.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 5 |
Related Doxazosin Standards
- Doxazosin Impurity 20 (CAS CATO-C4X-162320)
- Doxazosin EP Impurity E (CAS 27631-29-4)
- Doxazosin EP Impurity F (CAS 23680-84-4)
- Doxazosin EP Impurity D (CAS 28888-44-0)
- Doxazosin Impurity 19 (CAS CATO-C4X-162319)
- Doxazosin Impurity 15 (CAS 60547-96-8)
- Doxazosin Impurity 2 (CAS 4739-94-0)
- Doxazosin Impurity 10 (CAS 3663-79-4)
Recommended Standards
- Apixaban Impurity 130 (CAS CATO-C4X-1088130)
- Letrozole-d4 (CAS 1133712-96-5)
- 4-[(E)-2-Phenylvinyl]-1,4-dihydro[1,3,5]triazino-[1,2-a]benzimidazol-2-amine 866820-63-5 (CAS 866820-63-5)
- Bromfenac Impurity 59 (CAS CATO-C4X-200259)
- Atrasentan Impurity 181 (CAS 1073590-82-5)
- (S)-1-(5-Methoxypyridin-3-yl)ethanamine hydrochloride (CAS 1391431-57-4)
- 2-(1,3-Dimethyl-1h-1,2,4-triazol-5-yl)-2-phenylethan-1-amine (CAS 1344069-37-9)
- 7-Methyl-3-phenyl-1H-pyrrolo[2,3-c]pyridine (CAS 160590-00-1)
- 1-Decylimidazole (CAS 33529-02-1)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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