4,5,6,7-tetrabromo-2-(1H-imidazol-2-yl)isoindoline-1,3-dione CAS 1639895-85-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1639895-85-4 |
| Molecular Formula | C11H3Br4N3O2 |
| Molecular Weight | 528.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5,6,7-tetrabromo-2-(1H-imidazol-2-yl)isoindoline-1,3-dione (CAS 1639895-85-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H3Br4N3O2. Molecular weight: 528.78 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H3Br4N3O2 |
| Molecular Weight | 528.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Mirogabalin impurity 67 (CAS CATO-C4X-292467)
- N-(4-((4-bromophenyl)sulfonyl)phenyl)-2-chloro-4-(methylsulfonyl)benzamide (CAS 400088-88-2)
- Mirogabalin Impurity 113 (CAS CATO-C4X-2924113)
- dimethyl-1,3-thiazole-4-carboxylic acid hydrochloride (CAS 1803586-31-3)
- 4-[(3-chlorophenyl)methoxy]-2-methylaniline (CAS 1019110-00-9)
- 3-Methoxy-4-(2-oxo-2-phenylethoxy)benzaldehyde (CAS 723332-14-7)
- 1-Methyl-5-(2,2,2-trifluoroethoxy)-1H-pyrazole-4-carboxylic acid (CAS 1437482-19-3)
- Methyl (R)-2-(2-fluorophenyl)-2-hydroxyacetate (CAS 32174-36-0)
- Pantoprazole Impurity 27 (CAS 76015-11-7)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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