N4-(4-Ethoxyphenyl)-N2-(2-hydroxypropyl)-L-asparagine CAS 1048002-41-0
| CAS No. | 1048002-41-0 |
| Molecular Formula | C15H22N2O5 |
| Molecular Weight | 310.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N4-(4-Ethoxyphenyl)-N2-(2-hydroxypropyl)-L-asparagine 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.
N4-(4-Ethoxyphenyl)-N2-(2-hydroxypropyl)-L-asparagine (CAS 1048002-41-0), molecular formula C15H22N2O5 and molecular weight 310.35 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H22N2O5, N4-(4-Ethoxyphenyl)-N2-(2-hydroxypropyl)-L-asparagine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 310.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C15H22N2O5 |
| Molecular Weight | 310.35 g/mol |
| Appearance | Off-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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Related N Standards
- 1-(4-Ethoxyphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264046-37-8)
- N-(2-Ethoxyphenyl)-2-(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetamide (CAS 1142206-84-5)
- N-(4-Ethoxyphenyl)-2-(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetamide (CAS 1142206-85-6)
- 1-(2-Ethoxyphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326844-76-1)
- 1-(4-Ethoxyphenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326857-98-0)
- 1-(2-Ethoxyphenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1326911-79-8)
- 1-(4-Ethoxyphenyl)-5-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1329787-31-6)
- N-(4-ethoxyphenyl)-6-nitroquinazolin-4-amine (CAS 51687-12-8)
Recommended Standards
- 2,2-(1,4-Phenylene)bis-1H-benzimidazole (CAS 1047-63-8)
- N2-(2-(2-Hydroxyethoxy)ethyl)-N4-(p-tolyl)-L-asparagine (CAS 1048005-82-8)
- 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazine (CAS 1046-56-6)
- 5-Phenyl-3-(4-phenylpyridin-2-yl)-1,2,4-triazine (CAS 108775-05-9)
- 2-Bromo-4,4,4-trifluorobutane (CAS 406-47-3)
- 5-(3,4-Dichlorophenyl)-3,4-dihydro-2H-pyrrole (CAS 38944-11-5)
- 2,6-Dichloro-N-methylbenzamide (CAS 349395-57-9)
- 1-(But-3-en-1-yl)-2-chlorobenzene (CAS 3047-25-4)
- Tert-butyl (4-(3-hydroxypropyl)cyclohexyl)carbamate (CAS 1134861-31-6)
- 1-(azetidin-3-ylmethyl)-4-methylpiperazine trihydrochloride (CAS 1803610-06-1)
- 5-Methyl-2-(4-pyridinyl)-1,3-thiazol-4-yl 2,4-difluorobenzenecarboxylate (CAS 338398-93-9)
- Methyl 1-ethyl-4-oxopiperidine-3-carboxylate hydrochloride (CAS 24346-37-0)
- Tetrazole (CAS 27988-97-2)
- Des-Phe22-Tirzepatide (CAS CATO-CPTD788951)
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