1-Benzyl-3,4-dibromopyrrole-2,5-dione CAS 91026-00-5
| CAS No. | 91026-00-5 |
| Molecular Formula | C11H7Br2NO2 |
| Molecular Weight | 344.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-Benzyl-3,4-dibromopyrrole-2,5-dione (C11H7Br2NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 344.99 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1-Benzyl-3,4-dibromopyrrole-2,5-dione (CAS 91026-00-5), molecular formula C11H7Br2NO2 and molecular weight 344.99 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Benzyl-3,4-dibromopyrrole-2,5-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7Br2NO2 |
| Molecular Weight | 344.99 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (1-(2-(2,6-Dichlorobenzamido)acetyl)pyrrolidin-2-yl)boronic acid (CAS 915283-69-1)
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- Methyl 3,7-dibromoquinoline-2-carboxylate (CAS 1823865-17-3)
- 2-Amino-6,8-dibromoquinoline-3-carboxamide (CAS 937601-68-8)
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