5-Aminoisoxazol-3(2H)-one CAS 822-63-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 822-63-9 |
| Molecular Formula | C3H4N2O2 |
| Molecular Weight | 100.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Aminoisoxazol-3(2H)-one (CAS 822-63-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C3H4N2O2. Molecular weight: 100.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C3H4N2O2 |
| Molecular Weight | 100.08 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Aminoisoxazol Standards
- 1-(5-Aminoisoxazol-3-yl)ethanone (CAS 1558335-05-9)
- 2-Acetyl-5-aminoisoxazol-3(2H)-one (CAS 1573547-89-3)
- 2-(5-Aminoisoxazol-3-yl)-2-methylpropan-1-ol (CAS 1188910-70-4)
- 2-(5-Aminoisoxazol-3-yl)butan-2-ol (CAS 134965-78-9)
- 2-(3-Aminoisoxazol-5-yl)-2-methylpropan-1-ol (CAS 86860-67-5)
- Methyl 3-(5-aminoisoxazol-3-yl)propanoate (CAS 485807-07-6)
- 2-(5-Aminoisoxazol-3-yl)phenol (CAS 59899-13-7)
- 3-(5-Aminoisoxazol-3-yl)phenol (CAS 887591-58-4)
Recommended Standards
- 4-Hydroxy-1H-pyrazol-3(2H)-one (CAS 53666-86-7)
- 5-Hydroxy-3-methyl-1,2,4-oxadiazole (CAS 52386-40-0)
- 3-Hydroxy-4-methyl-1,2,5-oxadiazole (CAS 292856-44-1)
- 5-Cyclopropoxy-4-methylpicolinamide (CAS 1243355-63-6)
- methyl (2R)-2-(tert-butoxycarbonylamino)-4-iodo-butanoate (CAS 219752-75-7)
- Pimavanserin Impurity 18 (CAS CATO-C4X-193818)
- 3-(2-ethoxy-2-oxoethoxy)benzoic acid (CAS 1016826-94-0)
- (S)-1-(4-Methyl-3-nitrophenyl)ethan-1-amine (CAS 1241683-30-6)
- 2-Chloro-N-(2-chloroethyl)-N-(3-iodobenzyl)ethan-1-amine (CAS 40372-95-0)
- Glucagon (19-29) (human, rat, porcine) (CAS 64790-15-4)
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