Diethyl 2-[4-(2,2-Dicarboethoxypropyl)phenyl]-2-methyl Malonate CAS 189287-72-7
| CAS No. | 189287-72-7 |
| Molecular Formula | C23H32O8 |
| Molecular Weight | 436.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 436.50 g/mol gives Diethyl 2-[4-(2,2-Dicarboethoxypropyl)phenyl]-2-methyl Malonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl 2-[4-(2,2-Dicarboethoxypropyl)phenyl]-2-methyl Malonate (CAS 189287-72-7) is a high-purity analytical reference standard with the molecular formula C23H32O8 and a molecular weight of 436.50 g/mol.
Based on its molecular formula C23H32O8, Diethyl 2-[4-(2,2-Dicarboethoxypropyl)phenyl]-2-methyl Malonate contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 436.50 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H32O8 |
| Molecular Weight | 436.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
Related Diethyl Standards
- 1,3-Diethyl 2-({2-[4-(furan-2-carbonyloxy)phenyl]pyrimidin-4-yl}methylidene)propanedioate (CAS 477870-98-7)
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Recommended Standards
- 5,8-Di(1H-indol-3-yl)-7-methoxy-2,2-dimethyl-2H-chromen-6-ol (CAS 1878151-58-6)
- (2R,3R,4S,5R)-2-(2,6-Dimethoxy-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 88508-72-9)
- Methyl 6-O-(triphenylmethyl)-α-D-Glucopyranoside (CAS 18311-26-7)
- (2R,3R,4S,5R,6R)-2-methoxy-6-((trityloxy)methyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 35780-80-4)
- 1H-Pyrazolo[3,4-d]pyrimidine-4-carbonitrile, 3-bromo-6-chloro-1-(tetrahydro-2H-pyran-2-yl)- (CAS 2866168-43-4)
- N1-(4-Nitrobenzyl)-1,2-benzenediamine (CAS 7288-53-1)
- 4-(4-Methoxyphenyl)-2,2':6',2''-terpyridine (CAS 337511-97-4)
- 1-Ethenyl-1H-pyrazole-5-carbaldehyde (CAS 1780295-51-3)
- Hexahydro-1H-pyrazino[1,2-a]pyrazine-1,4(6H)-dione (CAS 1256642-92-8)
- (R)-3-Methyl-5-(1-methylpyrrolidin-2-yl)isoxazole (CAS 147402-73-1)
- 5-bromopentyl acetate (CAS 15848-22-3)
- 1-(methylthio)-2-(trifluoromethoxy)benzene (CAS 257625-08-4)
- 1-Chloro-4-(4-methylthiophen-2-yl)phthalazine, 97% (CAS 149549-12-2)
- Cholecystokinin Octapeptide (1-4) (desulfated) (CAS 80790-40-5)
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