Brimonidine Impurity 18 CAS 934548-66-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 934548-66-0 |
| Molecular Formula | C15H12BrN5O3 |
| Molecular Weight | 390.19 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Brimonidine Impurity 18 (CAS 934548-66-0) pharmacopoeial impurity standards reference standard. Molecular formula: C15H12BrN5O3. Molecular weight: 390.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C15H12BrN5O3 |
| Molecular Weight | 390.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
Related Brimonidine Standards
- Brimonidine Impurity 31 (CAS CATO-C4X-156631)
- Brimonidine Impurity 6 (CAS CATO-C4X-15666)
- Brimonidine Impurity 7 (CAS CATO-C4X-15667)
- Brimonidine Impurity 34 (CAS CATO-C4X-156634)
- Brimonidine Impurity 29 (CAS CATO-C4X-156629)
- Brimonidine Impurity 35 (CAS CATO-C4X-156635)
- Brimonidine Impurity 44 (CAS CATO-C4X-156644)
- Brimonidine Impurity 28 (CAS CATO-C4X-156628)
Recommended Standards
- 4-Chloro-N-[(1Z,3E)-2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-3-(methoxyimino)prop-1-en-1-yl]aniline (CAS 246022-18-4)
- 3-Chloro-N-((3-(2-chlorophenyl)-4,5-dihydroisoxazol-5-yl)methyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 1210773-36-6)
- 3-Chloro-N-((3-(4-chlorophenyl)-4,5-dihydroisoxazol-5-yl)methyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 1209962-52-6)
- Oseltamivir Impurity 39 (CAS CATO-C4X-172039)
- Imatinib Impurity 86 (CAS CATO-C4X-106886)
- 1-(3-Chloro-5-trifluoromethyl-pyridin-2-ylmethyl)-piperidine-4-carboxylic acid (4-chloro-phenyl)-amide (CAS 1311278-10-0)
- 1,4-Diamino-2-(5-hexyl-1,3,4-oxadiazol-2-yl)anthracene-9,10-dione (CAS 144097-92-7)
- N-(5-Cyano-2-methylpyridin-3-yl)acetamide (CAS 1628557-05-0)
- (6-Nitro-2,3-dihydroimidazo[2,1-b]oxazol-2-yl)methanol, 97% (CAS 73332-78-2)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
Why CATO?
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