Methyl isoxazolidine-5-carboxylate CAS 15166-59-3
| CAS No. | 15166-59-3 |
| Molecular Formula | C5H9NO3 |
| Molecular Weight | 131.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl isoxazolidine-5-carboxylate (CAS 15166-59-3), molecular formula C5H9NO3 and molecular weight 131.13 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Methyl isoxazolidine-5-carboxylate is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 131.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl isoxazolidine-5-carboxylate 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 | C5H9NO3 |
| Molecular Weight | 131.13 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- (S)-Isoxazolidine-3-carboxylic acid (CAS 32739-41-6)
- Ethyl isoxazolidine-3-carboxylate (CAS 472992-61-3)
- Ethyl isoxazolidine-5-carboxylate (CAS 36839-10-8)
- Isoxazolidine-3,5-dione (CAS 115344-44-0)
- Ethyl isoxazolidine-5-carboxylate hydrochloride (CAS 36839-08-4)
- isoxazolidine;hydrochloride (CAS 39657-45-9)
- Isoxazolidine-5-carboxylic acid hydrochloride (CAS 36839-07-3)
Recommended Standards
- 4-Aminotetrahydrofuran-2-carboxylic acid (CAS 1486943-75-2)
- 1-Amino-2-(hydroxymethyl)cyclopropanecarboxylic acid (CAS 153610-74-3)
- (4R)-4-Hydroxypyrrolidine-2-carboxylic acid (CAS 1453904-68-1)
- 3-(methylamino)oxetane-3-carboxylic acid (CAS 1541289-37-5)
- Methyl 5-methylbenzo[d]oxazole-7-carboxylate (CAS 1221792-23-9)
- Methyl 1,2,3,4-tetrahydroisoquinoline-4-carboxylate hydrochloride (CAS 1171535-51-5)
- 5-Methyl-2-(3-pyridinyl)-1,3-thiazol-4-yl 2,4-dichlorobenzenecarboxylate (CAS 338398-95-1)
- Bacoside A (Mixture) (CAS 11028-00-5)
- Cekafix 100 microg/mL in Cyclohexane 3-bromo-7-diethoxyphosphinothioyloxy-4-methylchromen-2-one 121227-99-4 (CAS 121227-99-4)
- 3-[(2,3-Dichlorophenoxy)methyl]pyrrolidinehydrochloride (CAS 1219949-17-3)
- 1-(4-Chlorobenzyl)piperidine-4-carboxylic acid hydrochloride (CAS 1185303-40-5)
- (1H-Imidazol-1-yl)(1H-pyrazol-1-yl)methanone (CAS 53355-49-0)
- 5-Methoxy-1H-inden-2(3H)-one (CAS 76413-89-3)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
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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