Diethyl 2-Ethyl-2-acetamidomalonate CAS 32819-24-2
| CAS No. | 32819-24-2 |
| Molecular Formula | C11H19NO5 |
| Molecular Weight | 245.27 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.
Diethyl 2-Ethyl-2-acetamidomalonate (CAS 32819-24-2), molecular formula C11H19NO5 and molecular weight 245.27 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Diethyl 2-Ethyl-2-acetamidomalonate (C11H19NO5) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C11H19NO5 |
| Molecular Weight | 245.27 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
Related Diethyl Standards
- (S)-Diethyl 2-acetamidopentanedioate (CAS 1446-19-1)
- 1,3-diethyl 2-(2-methylpropanamido)propanedioate (CAS 153180-28-0)
- 1,2-Diethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 922499-41-0)
- 1,8-Diethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 33028-61-4)
- Diethyl L-2-isothiocyanatoglutarate (CAS 17126-63-5)
- Diethyl (1-acetyl-1H-pyrrol-3-yl)phosphonate (CAS 942206-35-1)
- 1346597-98-5 |A-[(Diethyl-d10)amino]benzeneacetic Acid Ethyl Ester (CAS 1346597-98-5)
- 6,7-Diethyl-1,1,4,4-tetramethyltetralin (CAS 55741-10-1)
Recommended Standards
- cis-5-(tert-butoxycarbonylamino)tetrahydropyran-2-carboxylic acid (CAS 1993226-94-0)
- Ethyl 1-acetyl-2-methylindolizine-3-carboxylate (CAS 36766-57-1)
- cis-1-tert-Butyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate (CAS 227935-38-8)
- Ethyl 1-ethyl-3-formyl-1H-indole-2-carboxylate (CAS 78358-17-5)
- 1-Decyl-2,3-dimethylimidazolium tetrafluoroborate (CAS 640282-11-7)
- Methyl pentan-3-ylglycinate (CAS 1019627-75-8)
- (S)-2-Amino-N-(pyridin-3-ylmethyl)propanamide (CAS 864273-27-8)
- 2-Chloro-N-cyclopropyl-N-(pyridin-2-ylmethyl)acetamide (CAS 1179189-04-8)
- n-Methyl-2-(3-phenylureido)acetamide (CAS 131999-75-2)
- Neurotensin (8-13) (CAS 60482-95-3)
- N-Butyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 2096341-76-1)
- Ethyl 4-[2-nitro-5-(trifluoromethyl)phenyl]piperazine-1-carboxylate (CAS 1330750-58-7)
- cis-3-Boc-3,7-diazabicyclo[4.2.0]octane (CAS 1250993-51-1)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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