(4R,5S)-4-Amino-3-oxoisoxazolidine-5-carboxamide CAS 66620-06-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66620-06-2 |
| Molecular Formula | C4H7N3O3 |
| Molecular Weight | 145.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4R,5S)-4-Amino-3-oxoisoxazolidine-5-carboxamide (CAS 66620-06-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H7N3O3. Molecular weight: 145.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H7N3O3 |
| Molecular Weight | 145.12 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 3 |
Recommended Standards
- [1,2,4]Triazolo[1,5-a]pyrazine-2-carbonitrile (CAS 1823894-17-2)
- [1,2,4]Triazolo[1,5-a]pyrazine-8-carbonitrile (CAS 86805-31-4)
- [1,2,4]Triazolo[1,5-a]pyrazine-5-carbonitrile (CAS 1823870-83-2)
- (2,6-Difluoropyridin-3-yl)boronic acid hydrate (CAS 1072952-27-2)
- tert-Butyl 4-(3-bromocyclobutyl)butanoate (CAS 2502189-75-3)
- Ethyl 4-cyano-5-ethyl-3-(4-hydroxyphenyl)-1-methyl-1H-pyrrole-2-carboxylate (CAS 851193-72-1)
- 2-((3-Fluorobenzyl)thio)ethanol (CAS 85582-62-3)
- 4-((1-Methyl-1H-pyrazol-4-yl)amino)tetrahydro-2H-thiopyran 1-oxide (CAS 1248043-32-4)
- 2-Bromo-6-[6-cyclopropyl-8-fluoro-1-oxoisoquinolin-2(1H)-yl]benzaldehyde (CAS 1642290-28-5)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
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