5-Amino-3-phenylisoxazole-4-carboxylic acid CAS 87529-20-2
| CAS No. | 87529-20-2 |
| Molecular Formula | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H8N2O3, 5-Amino-3-phenylisoxazole-4-carboxylic 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 204.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
5-Amino-3-phenylisoxazole-4-carboxylic acid (CAS 87529-20-2), molecular formula C10H8N2O3 and molecular weight 204.18 g/mol, is a CATO reference standard with documented purity and traceability.
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-Amino-3-phenylisoxazole-4-carboxylic 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 | C10H8N2O3 |
| Molecular Weight | 204.18 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 6-Amino-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1018135-49-3)
- 7-Amino-6-hydroxyisoquinoline-3-carboxylic acid (CAS 110121-33-0)
- 2-(2-Amino-phenyl)-oxazole-4-carboxylic acid (CAS 1220039-54-2)
- Methyl 3-amino-1-oxo-1H-isoindole-5-carboxylate (CAS 127511-08-4)
- 1-Amino-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 135261-77-7)
- 7-Amino-6-methoxyquinoline-5,8-dione (CAS 14151-19-0)
- 7-amino-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1545047-94-6)
- 2-Amino-6-hydroxyquinoline-3-carboxylic acid (CAS 157915-69-0)
Recommended Standards
- 5-Amino-2-benzoylisoxazol-3(2H)-one (CAS 90771-25-8)
- 5-Amino-4-hydroxyquinoline-2-carboxylic acid (CAS 412035-88-2)
- 5-(p-Tolyl)-1,3,4-oxadiazole-2-carboxylic acid (CAS 944898-10-6)
- 5-Amino-4-phenylisoxazole-3-carboxylic acid (CAS 87529-22-4)
- 1-(5-Bromo-2-hydroxyphenyl)-2-chloroethan-1-one (CAS 100959-21-5)
- 2-((1-(5-Methylfuran-2-yl)ethyl)amino)propane-1,3-diol (CAS 1480530-28-6)
- 4-Iodobenzaldehyde, 97% (CAS 15164-44-0)
- 3-Aminomethyl-1,2,3,4-tetrahydroisoquinoline dihydrochloride (CAS 54329-61-2)
- 7-Amino-4-benzyl-2h-benzo[b][1,4]oxazin-3(4h)-one (CAS 917748-98-2)
- (E)-1-Methoxy-4-(4-nitrostyryl)benzene (CAS 1472-68-0)
- Diaveridine-d6 (CAS CATO-CCPD103223)
- Coumarin Impurity 4 (CAS 2445-80-9)
- N-Cyclopropyl-6-(trifluoromethyl)pyridine-3-carboxamide (CAS 1092346-00-3)
- Acetyl decapeptide-3 (CAS 935288-50-9)
Why CATO?
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