Diethyl 2-((8-bromo-2-chloro-7-methoxyquinolin-3-yl)methylene)malonate CAS 1031929-12-0
| CAS No. | 1031929-12-0 |
| Molecular Formula | C18H17BrClNO5 |
| Molecular Weight | 442.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Diethyl 2-((8-bromo-2-chloro-7-methoxyquinolin-3-yl)methylene)malonate (CAS 1031929-12-0), a certified reference material (molecular formula C18H17BrClNO5, MW 442.69 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17BrClNO5, Diethyl 2-((8-bromo-2-chloro-7-methoxyquinolin-3-yl)methylene)malonate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 442.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Diethyl 2-((8-bromo-2-chloro-7-methoxyquinolin-3-yl)methylene)malonate 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 | C18H17BrClNO5 |
| Molecular Weight | 442.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Diethyl Standards
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