5-Phenylisoxazole-3-carboxamide CAS 23088-52-0
| CAS No. | 23088-52-0 |
| Molecular Formula | C10H8N2O2 |
| Molecular Weight | 188.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Phenylisoxazole-3-carboxamide 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 5-Phenylisoxazole-3-carboxamide (CAS 23088-52-0), a certified reference material (molecular formula C10H8N2O2, MW 188.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H8N2O2, 5-Phenylisoxazole-3-carboxamide 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 188.18 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 5-Phenylisoxazole-3-carboxamide 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 | C10H8N2O2 |
| Molecular Weight | 188.18 g/mol |
| Appearance | Pale yellow to 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Phenylisoxazole Standards
- 3-Phenylisoxazole-5-carboxamide (CAS 400870-91-9)
- 3-Phenylisoxazole-5-carboxylic acid (CAS 14442-12-7)
- 3-Phenylisoxazole-4-carboxylic acid (CAS 18718-84-8)
- 4-Phenylisoxazole-5-carboxylic acid (CAS 858490-03-6)
- 5-Phenylisoxazole-4-carboxylic Acid (CAS 76344-95-1)
- 3-Methyl-5-phenylisoxazole-4-carbaldehyde (CAS 89479-66-3)
- 5-Methyl-3-phenylisoxazole-4-carbonitrile (CAS 24400-67-7)
- 59985-82-9 5-phenylisoxazole-3-carbaldehyde DTXSID50428295 (CAS 59985-82-9)
Recommended Standards
- 5-Phenyl-4H-pyrazole-3-carboxylic acid (CAS 872788-09-5)
- 5-Phenylpyrimidine-4,6-diol (CAS 21237-18-3)
- 5-Phenyl-1H-imidazole-2-carboxylic acid (CAS 41270-74-0)
- 6-(4-Hydroxyphenyl)-2H-pyridazin-3-one (CAS 54851-73-9)
- 2-(6-Bromo-2-chloro-5-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805359-32-3)
- 3-Methyl-5,6-dihydroimidazo[2,1-b]thiazole-2-carboxylic acid hydrate (CAS 1609400-95-4)
- (E)-Pent-2-en-4-yn-1-ol (CAS 35042-52-5)
- PQ 69 (CAS 910045-32-8)
- Endo-2-azabicyclo[2.2.1]heptan-6-olhydrochloride (CAS 2322934-56-3)
- Moxifloxacin EP Impurity E (CAS 721970-36-1)
- (3-Chlorophenyl)(phenyl)methanamine (CAS 55095-14-2)
- Sequifenadine (CAS 57734-69-7)
- 3-Amino-1-(1,3-benzodioxol-5-yl)propan-1-ol (CAS 1089351-36-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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