(3R,5R)-5-Ethoxy-3-methyl-2-phenylisoxazolidine CAS 220004-05-7
| CAS No. | 220004-05-7 |
| Molecular Formula | C12H17NO2 |
| Molecular Weight | 207.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies (3R,5R)-5-Ethoxy-3-methyl-2-phenylisoxazolidine (CAS 220004-05-7), a certified reference material (molecular formula C12H17NO2, MW 207.27 g/mol) for analytical method development and quality control.
Structurally, (3R,5R)-5-Ethoxy-3-methyl-2-phenylisoxazolidine (C12H17NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 207.27 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (3R,5R)-5-Ethoxy-3-methyl-2-phenylisoxazolidine 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 | C12H17NO2 |
| Molecular Weight | 207.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (3R,4S)-4-(((S)-1-phenylethyl)amino)tetrahydrofuran-3-ol (CAS 335080-43-8)
- (3S,4S)-1-benzyl-4-(hydroxymethyl)pyrrolidin-3-ol (CAS 849935-80-4)
- (3R,4R)-1-Benzyl-3-hydroxy-4-(hydroxymethyl)pyrrolidine (CAS 253129-03-2)
- (3S,5R)-1-Benzyl-5-hydroxymethyl-pyrrolidin-3-ol (CAS 635299-90-0)
- 5-Amino-1-(4-fluorophenyl)-2,3-dihydro-1h-pyrazol-3-one (CAS 1247169-18-1)
- (2E)-1-(2-Chlorophenyl)-3-(2-fluorophenyl)prop-2-en-1-one (CAS 1193328-07-2)
- N-(1-Butyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)thiophene-2-sulfonamide (CAS 946221-75-6)
- 4-(N-propylsulfamoyl)benzoic acid (CAS 10252-65-0)
- H-Ala-Pro-pNA (CAS 60189-44-8)
- 3-Hydroxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 2922675-17-8)
- 1-Acetyl-5-bromoindoline-7-sulfonyl chloride (CAS 30691-46-4)
- Irbesartan Impurity 45 (CAS CATO-C4X-166645)
- 2-BROMO-4-METHYL-PHENYLAMINE 2-BROMO-4-METHYLBENZENAMINE 2-BROMO-P-TOLUIDINE 2-Bromo-4-methylaniline 3-BROMO-4-AMINOTOLUENE 4-AMINO-3-BROMOTOLUENE 583-68-6 AKOS BBS-00003652 AS03412 ATTERCOP-CHM AT109667 BENZENAMINE, 2-BROMO-4-METHYL- OTAVA-BB 1362089 TIMTEC-BB SBB040485 (CAS 583-68-6)
- Insulin Glulisine (CAS 207748-29-6)
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 18665070610 / Nicole.chen@cato-chem.com