Brimonidine EP Impurity E CAS 168329-48-4
Purity >80%In StockPharmacopoeial Impurity Standards
| CAS No. | 168329-48-4 |
| Molecular Formula | C9H8BrN5 |
| Molecular Weight | 266.10 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Brimonidine EP Impurity E (CAS 168329-48-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H8BrN5. Molecular weight: 266.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H8BrN5 |
| Molecular Weight | 266.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >80% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
Related Brimonidine Standards
- Brimonidine Impurity 22 (CAS 134892-46-9)
- Brimonidine Impurity 42 (CAS CATO-C4X-156642)
- Brimonidine Related Impurity 4 (CAS 182628-02-0)
- Brimonidine EP Impurity D (CAS 842138-74-3)
- Brimonidine Impurity 20 (CAS 1217439-05-8)
- Brimonidine Impurity 15 (CAS 91147-46-5)
- Brimonidine Impurity 24 (CAS CATO-C4X-156624)
- Brimonidine Impurity 25 (CAS 135306-57-9)
Recommended Standards
- tert-Butyl 2,6-dichloro-5-fluoronicotinate (CAS 932705-76-5)
- N-(4-Bromo-2-hydroxyphenyl)methanesulfonamide (CAS 105295-63-4)
- n2-(4-Bromophenyl)-1,3,5-triazine-2,4-diamine (CAS 72274-25-0)
- Dasatinib Impurity 34 (CAS CATO-C4X-160734)
- Dl-Lysine Acetylsalicylate EP Impurity J (CAS CATO-C4X-22115)
- 4-((6-Methoxyquinolin-4-yl)oxy)aniline (CAS 1220892-82-9)
- Pyrrolidin-3-ylmethanesulfonamide (CAS 95596-30-8)
- 4-Amino-5-(methoxycarbonyl)isothiazole-3-carboxylic acid (CAS 2055841-46-6)
- Fexofenadine EP Impurity D (CAS 154825-96-4)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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