2-Amino-3-(3-methyl-2-oxo-2,3-dihydro-1,3-benzoxazol-6-yl)propanoic acid CAS 74023-18-0
| CAS No. | 74023-18-0 |
| Molecular Formula | C11H12N2O4 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-Amino-3-(3-methyl-2-oxo-2,3-dihydro-1,3-benzoxazol-6-yl)propanoic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-Amino-3-(3-methyl-2-oxo-2,3-dihydro-1,3-benzoxazol-6-yl)propanoic acid (CAS 74023-18-0), a certified reference material (molecular formula C11H12N2O4, MW 236.22 g/mol) for analytical method development and quality control.
2-Amino-3-(3-methyl-2-oxo-2,3-dihydro-1,3-benzoxazol-6-yl)propanoic acid (C11H12N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C11H12N2O4 |
| Molecular Weight | 236.22 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
Related Amino Standards
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Recommended Standards
- 2-[(carbamoylmethyl)(4-formylphenyl)amino]acetic acid (CAS 2059955-37-0)
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- 2,3-Dihydroxy-3-(6-methyl-1H-benzo[d]imidazol-2-yl)propanoic acid (CAS 630091-52-0)
- 2-Morpholino-5-nitrobenzaldehyde (CAS 30742-62-2)
- Ethyl 2-amino-6-chloropyrimidine-4-carboxylate (CAS 1240603-23-9)
- Ethyl 6-hydroxypyridazine-4-carboxylate (CAS 21427-85-0)
- 6-Amino-2-(difluoromethyl)-5-methoxynicotinaldehyde (CAS 1806798-90-2)
- 1-(Bromomethyl)-3-methyl-1-propoxycyclohexane (CAS 1250979-23-7)
- 6-(2-(Phenylsulfonyl)ethyl)-1H-purin-2-amine (CAS 403511-20-6)
- 1-(1,1-Dimethylethyl) 4-(4-boronobenzoyl)-1-piperazinecarboxylate (CAS 1150114-76-3)
- 2,8-dimethylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 874605-59-1)
- N,5-Dimethyl-2-oxoimidazolidine-1-carboxamide (CAS 88408-07-5)
- 4-(7-Methyloctyl)phenol (CAS 26543-97-5)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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