Ethyl 8-bromo-2-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate CAS 88418-61-5
| CAS No. | 88418-61-5 |
| Molecular Formula | C16H12BrNO4 |
| Molecular Weight | 362.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 362.17 g/mol gives Ethyl 8-bromo-2-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 8-bromo-2-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate (CAS 88418-61-5) is a high-purity analytical reference standard with the molecular formula C16H12BrNO4 and a molecular weight of 362.17 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Ethyl 8-bromo-2-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 362.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 8-bromo-2-methyl-4,5-dioxo-4,5-dihydro-3H-benzo[e]indole-1-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C16H12BrNO4 |
| Molecular Weight | 362.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- Methyl 5-((6-bromo-4-oxoquinolin-1(4H)-yl)methyl)furan-2-carboxylate (CAS 1215542-26-9)
- 3-Bromo-2-methyl-5-(thiophen-2-yl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 478248-99-6)
- N-(4-Bromo-2-fluorophenyl)-6-(1H-imidazol-1-yl)pyridazine-3-carboxamide (CAS 1396628-16-2)
- 2-Bromo-N,N-dimethyl-4-(6-nitrobenzo[d]oxazol-2-yl)aniline (CAS 1706464-21-2)
- 5-Bromo-1-(2-(pyrrolidin-1-yl)ethyl)-3-(trifluoromethyl)-1H-indazole (CAS 1039827-17-2)
- Ethyl 2-bromo-4-(3,4-difluorobenzyl)thiazole-5-carboxylate (CAS 1206908-06-6)
- Ethyl 5-bromo-2-(4-fluorophenyl)-1H-indole-3-carboxylate (CAS 1215106-46-9)
- 3-(5-Bromo-2-fluorophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 1259997-50-6)
Recommended Standards
- 2,6-Dibromodithieno[3,2-b:2 inverted exclamation marka,3 inverted exclamation marka-d]thiophene 67061-69-2 (CAS 67061-69-2)
- 3-(2-Iodophenyl)-2-methylquinazolin-4(3H)-one (CAS 35289-03-3)
- 4-Chloro-N-(6-chloro-4-trifluoromethyl-pyridin-2-yl)-N,N-dimethyl-benzamidine (CAS 1311283-98-3)
- 3-(2-Iodobenzyl)quinazolin-4(3H)-one (CAS 923018-88-6)
- 2-(4-Pyrazol-1-ylphenyl)acetic acid (CAS 65476-24-6)
- 4-Bromo-2-hydroxy-5-methylbenzaldehyde (CAS 1427373-22-5)
- N-Isopropyl-2-chloroacetamide (CAS 2895-21-8)
- 2-Amino-4-bromo-5-fluorobenzoic acid hydrochloride (CAS 1415929-02-0)
- PF-04979064 (CAS 1220699-06-8)
- 2,4,6-Trichloro-5-(methylthio)pyrimidine (CAS 24795-76-4)
- Ethyl 1-(prop-2-yn-1-yl)piperidine-3-carboxylate (CAS 1234357-94-8)
- 2-methyl-1H,2H,3H,4H,5H-pyrido[4,3-b]indole-8-carboxylic acid hydrochloride (CAS 40431-45-6)
- (Z)-5-((3-methyl-5,5-dioxidotetrahydrothieno[3,4-d]thiazol-2(3H)-ylidene)amino)-5-oxopentanoic acid (CAS 929843-86-7)
- 69558-55-0 O3Y80ZF13F Thymopentin Thymopentin [USAN:INN:BAN] L-Tyrosine, N-(N-(N-(N2-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- L-Tyrosine, N-(N-(N-(N(sup 2)-L-arginyl-L-lysyl)-L-alpha-aspartyl)-L-valyl)- Thymopentine [French] Thymopentinum [Latin] Timopentina [Spanish] Thymopoietin 32-36 TP-5 Thymopoietin pentapeptide ORF-15244 Thymopentine Thymopentinum Timopentina ORF 15244 UNII-O3Y80ZF13F (CAS 69558-55-0)
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