1-Benzyl 3-ethyl 7-bromo-3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate CAS 2581105-23-7
| CAS No. | 2581105-23-7 |
| Molecular Formula | C19H19BrN2O4 |
| Molecular Weight | 419.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 419.27 g/mol gives 1-Benzyl 3-ethyl 7-bromo-3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Benzyl 3-ethyl 7-bromo-3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate (CAS 2581105-23-7), molecular formula C19H19BrN2O4 and molecular weight 419.27 g/mol, is a CATO reference standard with documented purity and traceability.
1-Benzyl 3-ethyl 7-bromo-3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate (C19H19BrN2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 1-Benzyl 3-ethyl 7-bromo-3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate 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 | C19H19BrN2O4 |
| Molecular Weight | 419.27 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1,4,5,8-Tetraamino-2-bromo-7-butoxyanthracene-9,10-dione (CAS 88603-37-6)
- 2-(2-(4-Bromobenzylidene)hydrazinyl)-3-phenylquinazolin-4(3H)-one (CAS 304446-57-9)
- 1,4,5,8-Tetraamino-2-bromo-6-butoxyanthracene-9,10-dione (CAS 88602-92-0)
- 2-Amino-4-(3-bromo-4-hydroxy-5-methoxyphenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 332053-46-0)
- 1-(3,5-Bis(trifluoromethyl)phenyl)-3-(4-bromo-2-(2H-tetrazol-5-yl)phenyl)thiourea (CAS 956014-19-0)
- n-(3-Fluorobenzyl)-3-methylcyclopentan-1-amine (CAS 1341863-61-3)
- (3-(2-Methoxyphenyl)-1,2,4-oxadiazol-5-yl)methanamine (CAS 1211499-10-3)
- 2-((4-Fluorophenyl)sulfonyl)ethan-1-amine hydrochloride (CAS 1028126-98-8)
- N-(5-Cyano-3-pyridyl)acetamide (CAS 31205-53-5)
- tert-Butyl 2-(3-bromopropyl)piperidine-1-carboxylate (CAS 210564-53-7)
- 3-Isopropylpiperidine (CAS 13603-18-4)
- 2-Fluoro-4-methoxy-3-propoxyphenylboronic acid (CAS 2096337-55-0)
- cis-3-(Boc-amino)cyclobutanol (CAS 389890-43-1)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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