3-(5-Bromo-1-methyl-1H-indol-3-yl)-4-(benzofuran-3-yl)pyrrole-2,5-dione CAS 941575-71-9
| CAS No. | 941575-71-9 |
| Molecular Formula | C21H13BrN2O3 |
| Molecular Weight | 421.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(5-Bromo-1-methyl-1H-indol-3-yl)-4-(benzofuran-3-yl)pyrrole-2,5-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
3-(5-Bromo-1-methyl-1H-indol-3-yl)-4-(benzofuran-3-yl)pyrrole-2,5-dione (CAS 941575-71-9), molecular formula C21H13BrN2O3 and molecular weight 421.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H13BrN2O3, 3-(5-Bromo-1-methyl-1H-indol-3-yl)-4-(benzofuran-3-yl)pyrrole-2,5-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H13BrN2O3 |
| Molecular Weight | 421.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-(6-Bromo-2,4-diphenylquinazolin-3(4h)-yl)acetic acid (CAS 313650-47-4)
- 2-[4-(8-Bromo-3-methyl-2-oxo-2,3-dihydroimidazo[4,5-c]quinolin-1-yl)phenyl]-2-methylpropionitrile (CAS 915019-50-0)
- 4-((5-Bromo-2-fluorobenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-86-8)
- 6-Bromo-3-(4-tert-butylbenzenesulfonyl)-2H-chromen-2-one (CAS 865656-27-5)
- 4-Bromo-1-methyl-2-phenyl-5-(tosylmethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 1023502-23-9)
- 5-Bromo-7-(phenylsulfonyl)-4-(piperidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 252723-23-2)
- N-(2-Bromo-4-methylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 575469-28-2)
- N-(4-Bromo-2-methylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618413-34-6)
Recommended Standards
- 5-tert-Butyl 1-ethyl 3-iodo-6,7-dihydro-1H-pyrazolo[4,3-c]pyridine-1,5(4H)-dicarboxylate (CAS 661487-16-7)
- N-(1-(2,6-dichlorobenzyl)-2-oxo-5-(trifluoromethyl)-1,2-dihydropyridin-3-yl)-3-methylbutanamide (CAS 339025-25-1)
- 2-{[2-(4-bromophenyl)-2-oxoethyl]sulfanyl}-3-ethyl-6-(trifluoromethyl)-3,4-dihydropyrimidin-4-one (CAS 866049-81-2)
- Diethyl 6-ethyl-3-iodo-6H-thieno[2,3-b]pyrrole-2,5-dicarboxylate (CAS 1956383-22-4)
- 3-Bromo-4-fluoro-5-(methylsulfonyl)aniline (CAS 1440535-19-2)
- 5-Ethyl-2-(4-fluorophenyl)-4-oxo-4,5-dihydropyrazolo[1,5-a]pyrazine-3-carbaldehyde (CAS 1708288-93-0)
- 7’,8’-Dimethoxy-5’H-spiro[piperidine-4,4’-pyrrolo[1,2-a]quinoxaline] (CAS 1242410-86-1)
- 2-(1-Isopropyl-1H-imidazol-4-yl)ethanamine hydrochloride (CAS 1445951-32-5)
- 2-Amino-5-bromo-4-pyridinecarboxylic acid ethyl ester (CAS 1214374-01-2)
- 1,8,8-Trimethyl-1,4,9-triazaspiro[5.5]Undecan-5-one (CAS 2387595-23-3)
- 3-[(1-benzylpiperidin-4-yl)oxy]propanenitrile (CAS 175203-64-2)
- 1-Oxaspiro[4.4]nonan-4-one (CAS 68978-78-9)
- 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazin-2-amine (CAS 947249-41-4)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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 18665070610 / Nicole.chen@cato-chem.com