2-Acetyl-5-aminoisoxazol-3(2H)-one CAS 1573547-89-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1573547-89-3 |
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Acetyl-5-aminoisoxazol-3(2H)-one (CAS 1573547-89-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H6N2O3. Molecular weight: 142.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O3 |
| Molecular Weight | 142.11 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.) | 1993 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 1-(3,4-Dimethylphenyl)-3-(o-tolyl)propan-1-one (CAS 898789-58-7)
- (S)-7,7′-Bis(diphenylphosphino)-3,3′,4,4′-tetrahydro-4,4′-dimethyl-8,8′-bi(2H-1,4-benzoxazine) (CAS 649559-68-2)
- 3-((Piperazin-1-ylsulfonyl)methyl)isoxazole (CAS 1354952-73-0)
- 2-((Cyclohexylmethyl)amino)isonicotinic acid (CAS 1096303-55-7)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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