3-Aminoisoxazole-4-carboxylic acid CAS 1378751-65-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1378751-65-5 |
| Molecular Formula | C4H4N2O3 |
| Molecular Weight | 128.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Aminoisoxazole-4-carboxylic acid (CAS 1378751-65-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4N2O3. Molecular weight: 128.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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)
- 5-Aminoisoxazole-4-carboxylic acid (CAS 1420802-69-2)
- 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)
- 1,3-Thiazol-2-ylmethylamine (CAS 1349699-86-0)
- Piperazine-2,3,5-trione (CAS 13484-48-5)
- N-[5-(Aminomethyl)-2-pyridinyl]-N-methyl-N-(tetrahydro-2H-pyran-4-ylmethyl)amine (CAS 1220016-60-3)
- Tert-butyl cyclopropyl(3-hydroxybenzyl)carbamate (CAS 1479379-39-9)
- 1-(2-Bromo-1-(2-methoxyethoxy)ethyl)-4-methoxybenzene (CAS 1249857-68-8)
- 3,5-Bis(isopropyl)phenyl 4-Isopropylphenyl Phenyl Phosphate (CAS 1391051-71-0)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((5-methyl-1,3,4-thiadiazol-2-yl)thio)ethan-1-one (CAS 690961-29-6)
- 3-(Aminomethyl)-4-chlorophenol (CAS 643088-04-4)
- Semaglutide Impurity 131 (CAS 2618647-80-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com