Diethyl 2-((7-bromo-2-chloroquinolin-3-yl)methylene)malonate CAS 1031928-83-2
| CAS No. | 1031928-83-2 |
| Molecular Formula | C17H15BrClNO4 |
| Molecular Weight | 412.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H15BrClNO4, Diethyl 2-((7-bromo-2-chloroquinolin-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 412.66 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).
Diethyl 2-((7-bromo-2-chloroquinolin-3-yl)methylene)malonate (CAS 1031928-83-2), molecular formula C17H15BrClNO4 and molecular weight 412.66 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.
As a certified reference material (CRM), Diethyl 2-((7-bromo-2-chloroquinolin-3-yl)methylene)malonate 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 | C17H15BrClNO4 |
| Molecular Weight | 412.66 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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Recommended Standards
- 4-(tert-Butyl)-N-(7-((tert-Butyldimethylsilyl)oxy)naphthalen-1-yl)thiazol-2-amine (CAS 1092460-49-5)
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- (4-(2-((tert-Butyldimethylsilyl)oxy)ethyl)-2-(trifluoromethyl)-5-(trimethylsilyl)thiophen-3-yl)methanol (CAS 2762829-25-2)
- Ercalcidiol (CAS 21343-40-8)
- 5-(1H-Indol-3-yl)-4-nitropent-4-en-1-yl acetate (CAS 19893-67-5)
- 1-(2-Chloroethyl)-1H-imidazole Hydrochloride (CAS 18994-78-0)
- 4-({6-methylimidazo[1,2-a]pyridin-2-yl}methoxy)benzoic acid (CAS 929975-01-9)
- Tolperisone 4-Carboxylic Acid Hydrochloride Hydrate (CAS 446063-44-1)
- 3-Bromo-5-pyrrolidinophenylboronic acid (CAS 1256355-16-4)
- Decanedioic acid disodium salt (CAS 17265-14-4)
- 2-(Pyridin-2-ylsulfanyl)propanoic acid (CAS 32002-78-1)
- Phenyl (2-fluorophenyl)carbamate (CAS 65140-97-8)
- 1-(5-Bromo-2-fluorophenyl)cyclopropan-1-ol (CAS 1249915-72-7)
- ([D?]Val?·1?)-C-Peptide (human) (CAS 1802078-41-6)
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