Diethyl 2-(4-(4-methoxyphenoxy)-3,5-dinitrobenzylidene)malonate CAS 103506-04-3
| CAS No. | 103506-04-3 |
| Molecular Formula | C21H20N2O10 |
| Molecular Weight | 460.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Diethyl 2-(4-(4-methoxyphenoxy)-3,5-dinitrobenzylidene)malonate (CAS 103506-04-3), a certified reference material (molecular formula C21H20N2O10, MW 460.39 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Diethyl 2-(4-(4-methoxyphenoxy)-3,5-dinitrobenzylidene)malonate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 460.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), Diethyl 2-(4-(4-methoxyphenoxy)-3,5-dinitrobenzylidene)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 | C21H20N2O10 |
| Molecular Weight | 460.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Diethyl Standards
- Diethyl {[1-(triphenylmethyl)-1H-imidazol-4-yl]methyl}phosphonate (CAS 473659-21-1)
- Diethyl 2-acetamido-2-(6-octyl-1,2,3,4-tetrahydronaphthalen-2-yl)malonate (CAS 945632-81-5)
- Diethyl ((1S)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methyl)phosphoramidate (CAS 1354565-15-3)
- Diethyl ((1R)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methyl)phosphoramidate (CAS 1355995-83-3)
- 1,3-Diethyl 2-{[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)amino]methylidene}propanedioate (CAS 339111-79-4)
- 1,3-Diethyl 2-{[(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)amino]methylidene}propanedioate (CAS 339099-88-6)
- 3,5-Diethyl 6-amino-1-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate (CAS 551921-17-6)
- Diethyl 5-(3-bromophenyl)-1-(m-tolyl)-1H-pyrazole-3,4-dicarboxylate (CAS 96722-99-5)
Recommended Standards
- 2-Deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-α-D-glucopyranosyl azide 3,4,6-Triacetate (CAS 102816-25-1)
- ((S)-2-Acetamido-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoyl)-L-leucine (CAS 347400-96-8)
- 2-Deoxy-2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-β-D-glucopyranosyl azide 3,4,6-Triacetate (CAS 102816-24-0)
- (2-Acetamido-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoyl)-L-leucine (CAS 6754-85-4)
- 2,6-Di(pyridin-4-yl)pyrimidin-4-ol (CAS 14757-05-2)
- {[(3,5-dimethyl-4-nitro-1H-pyrazol-1-yl)methyl]thio}acetic acid (CAS 1006957-05-6)
- 6-Carboxy-delta,5’,4’,5,6-Simvastatin (CAS 125206-31-7)
- 4-(3-Chloro-5-fluorophenyl)-2-fluorobenzonitrile (CAS 1393442-55-1)
- 3-[2-(2-Bromo-4-chlorophenoxy)ethyl]piperidinehydrochloride (CAS 1220032-06-3)
- Pyrrolidine-1-carboximidamide (CAS 13932-58-6)
- 6-Chloro-2-methyl-5-(phenylamino)pyridazin-3(2H)-one (CAS 88804-46-0)
- 1-(4-phenylphenyl)propan-2-amine hydrochloride (CAS 23734-64-7)
- 2-(Oct-7-yn-1-yl)isoindoline-1,3-dione (CAS 17170-26-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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