(r,s)-2-Amino-3-[3-(carboxymethoxy)-5-methyl-isoxazol-4 -yl]propionic Acid Sesquihydrate CAS 209977-56-0
| CAS No. | 209977-56-0 |
| Molecular Formula | 2*C9H12N2O6 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies (r,s)-2-Amino-3-[3-(carboxymethoxy)-5-methyl-isoxazol-4 -yl]propionic Acid Sesquihydrate (CAS 209977-56-0), a certified reference material (molecular formula C9H12N2O6H2O, MW 262.22 g/mol) for analytical method development and quality control.
(r,s)-2-Amino-3-[3-(carboxymethoxy)-5-methyl-isoxazol-4 -yl]propionic Acid Sesquihydrate (C9H12N2O6H2O) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures (r,s)-2-Amino-3-[3-(carboxymethoxy)-5-methyl-isoxazol-4 -yl]propionic Acid Sesquihydrate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | 2*C9H12N2O6 3*H2O |
| Molecular Weight | 262.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 2 |
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com