3-(3-Phenylisoxazol-5-yl)propanoic acid CAS 61656-43-7
| CAS No. | 61656-43-7 |
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3-Phenylisoxazol-5-yl)propanoic acid (CAS 61656-43-7), molecular formula C12H11NO3 and molecular weight 217.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H11NO3, 3-(3-Phenylisoxazol-5-yl)propanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.22 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(3-Phenylisoxazol-5-yl)propanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11NO3 |
| Molecular Weight | 217.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related Phenylisoxazol Standards
- N-((3-phenylisoxazol-5-yl)methyl)acetamide (CAS 13608-58-7)
- 1-(5-Phenylisoxazol-3-yl)cyclopropane-1-carboxylic acid (CAS 1351616-43-7)
- (5-Ethyl-3-phenylisoxazol-4-yl)methanol (CAS 99299-07-7)
- 1-(5-Methyl-3-phenylisoxazol-4-yl)ethan-1-ol (CAS 6497-24-1)
- 2-(3-Methyl-5-phenylisoxazol-4-yl)ethan-1-ol (CAS 401632-47-1)
- 3-(3-Phenylisoxazol-5-yl)propan-1-ol (CAS 54901-66-5)
- 2-(5-Phenylisoxazol-4-yl)acetic acid (CAS 155602-50-9)
- 2-(3-Phenylisoxazol-5-yl)acetic acid (CAS 3919-84-4)
Recommended Standards
- 3-(3-Formyl-1h-indol-1-yl)propanoic acid (CAS 59213-02-4)
- 3-(4-(4H-1,2,4-triazol-4-yl)phenyl)propanoic acid (CAS 924861-83-6)
- 3-(2-oxo-1,2-dihydroquinolin-3-yl)propanoic acid (CAS 37618-03-4)
- 3-(4-Ethylphenyl)isoxazole-5-carboxylic acid (CAS 901927-10-4)
- (2-(Difluoromethoxy)-6-hydroxyphenyl)(pyridin-4-yl)methanone (CAS 1261883-70-8)
- tert-Butyl (S)-(1-amino-3,3-dimethylbutan-2-yl)carbamate (CAS 290815-01-9)
- 1-Butyl-3-(1,1-dioxidothietan-3-yl)thiourea (CAS 1852208-07-1)
- 1-((1-(2-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-1H-pyrazol-4-amine (CAS 1707375-95-8)
- 2-{1-[(methylsulfanyl)methyl]cyclopropyl}acetonitrile (CAS 1492523-77-9)
- Roxatidine Impurity 42 (CAS CATO-C4X-121342)
- 3-chloro-N-(4-nitrophenyl)propanamide (CAS 19313-88-3)
- 2-Cyclohexyloxazolo[4,5-b]pyridine (CAS 52333-68-3)
- 2',7'-Dibromospiro[cyclopenta[1,2-b:5,4-b']dipyridine-5,9'-fluorene] (CAS 198142-63-1)
- Cycloaspeptide D (CAS 691363-62-9)
Why CATO?
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