1-[(5-Methylisoxazol-3-yl)carbonyl]azetidine-3-carboxylic acid CAS 1350989-07-9
| CAS No. | 1350989-07-9 |
| Molecular Formula | C9H10N2O4 |
| Molecular Weight | 210.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 210.19 g/mol gives 1-[(5-Methylisoxazol-3-yl)carbonyl]azetidine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-[(5-Methylisoxazol-3-yl)carbonyl]azetidine-3-carboxylic acid (CAS 1350989-07-9), molecular formula C9H10N2O4 and molecular weight 210.19 g/mol, is a CATO reference standard with documented purity and traceability.
1-[(5-Methylisoxazol-3-yl)carbonyl]azetidine-3-carboxylic acid (C9H10N2O4) 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.
As a certified reference material (CRM), 1-[(5-Methylisoxazol-3-yl)carbonyl]azetidine-3-carboxylic acid 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 | C9H10N2O4 |
| Molecular Weight | 210.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Methylisoxazol Standards
- 2-Methyl-4-((5-methylisoxazol-3-yl)amino)-4-oxobut-2-enoic acid (CAS 917747-58-1)
- n-(5-Methylisoxazol-3-yl)-2-(pyrrolidin-1-yl)acetamide (CAS 666821-88-1)
- N-(5-Methylisoxazol-3-yl)piperidine-1-carboxamide (CAS 55808-53-2)
- Methyl 4-(5-methylisoxazol-3-yl)-2,4-dioxobutanoate (CAS 1195521-24-4)
- N-(5-Methylisoxazol-3-yl)morpholine-4-carboxamide (CAS 55808-31-6)
- 5-(((3-Methylisoxazol-5-yl)methyl)thio)-4h-1,2,4-triazol-3-amine (CAS 1094687-69-0)
- (3-Ethyl-5-methylisoxazol-4-yl)(pyrrolidin-1-yl)methanone (CAS 775299-69-9)
- 1-(2-(5-Methylisoxazol-3-yl)thiazol-4-yl)ethan-1-one (CAS 263897-90-1)
Recommended Standards
- Ethyl 2-(2-Methoxy-5-pyrimidinyl)-2-oxoacetate (CAS 1346597-52-1)
- 2-Methoxy-4-methyl--5-nitrobenzamide (CAS 1352398-21-0)
- Methyl 6-amino-2-methyl-3-nitrobenzoate (CAS 132734-42-0)
- 3-Acetyl-1-ethyl-5-nitropyridin-2(1H)-one (CAS 1355219-30-5)
- 1-(4-Methoxyphenyl)piperidine-4-carboxylic acid (CAS 1114593-97-3)
- (3-Bromo-1-methyl-1H-pyrazol-4-yl)methanol (CAS 1781654-27-0)
- 2-(Propylsulfonyl)cyclopentan-1-one (CAS 89729-98-6)
- (S)-Proxyphylline (CAS 86540-95-6)
- 3-Chloromethyl-4-(trifluoromethyl)pyridine (CAS 782431-54-3)
- Oxirane, 2-methyl-, polymer with oxirane, mono-2-propenoate (CAS 9041-78-5)
- (2-Chloro-5-(difluoromethyl)-4-fluoropyridin-3-yl)methanol (CAS 1806914-17-9)
- Methyl 3-bromo-1H-indazole-6-carboxylate (CAS 192945-56-5)
- Deuterium hydride (CAS 13983-20-5)
- Gastric Inhibitory Polypeptide (6-30) amide (human) (CAS 1139691-72-7)
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