5-Aminoisoxazole-4-carboxylic acid CAS 1420802-69-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1420802-69-2 |
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Aminoisoxazole-4-carboxylic acid (CAS 1420802-69-2) pharmaceutical standards reference standard. Molecular formula: C4H4N2O3. Molecular weight: 128.09 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Aminoisoxazole Standards
- 3-Aminoisoxazole-5-carboxylic acid (CAS 1013929-55-9)
- 5-Aminoisoxazole-3-carboxylic acid (CAS 1367940-06-4)
- 3-Aminoisoxazole-4-carboxylic acid (CAS 1378751-65-5)
- Methyl 5-Aminoisoxazole-3-carboxylate (CAS 1629161-40-5)
- Methyl 3-aminoisoxazole-5-carboxylate (CAS 203586-95-2)
- Methyl 5-aminoisoxazole-4-carboxylate (CAS 145798-74-9)
- 3-Aminoisoxazole-5-carbonitrile (CAS 1368187-62-5)
- 5-Aminoisoxazole-3-carbonitrile (CAS 1369370-61-5)
Recommended Standards
- 3-Hydroxyisoxazole-5-carboxamide (CAS 14016-01-4)
- 1-Amino-1H-1,2,4-triazole-3-carboxylic acid (CAS 142415-65-4)
- 3-Nitro-1H-pyrazol-1-amine (CAS 150017-54-2)
- 4-Chloro-2-((cyclobutylmethyl)thio)pyridine (CAS 1346707-40-1)
- 6-Methyl-3-nitropyridine-2-carboxylic acid (CAS 21203-64-5)
- JPB 25 (CAS 54903-66-1)
- 1-Ethynyl-4-isocyanatobenzene (DISCONTINUED) (CAS 814264-50-1)
- 2,6-Dimethoxy-5-methylpyridine-3-methanol (CAS 1879026-22-8)
- N-ethylpyrazin-2-amine (CAS 65032-08-8)
- D-Asp15-Tirzepatide (CAS CATO-CPTD788919)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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