Tert-butyl (4r,5r)-4-(hydroxymethyl)-2,2,5-trimethyloxazolidine-3-carboxylate CAS 157336-86-2
| CAS No. | 157336-86-2 |
| Molecular Formula | C12H23NO4 |
| Molecular Weight | 245.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Tert-butyl (4r,5r)-4-(hydroxymethyl)-2,2,5-trimethyloxazolidine-3-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.
CATO supplies Tert-butyl (4r,5r)-4-(hydroxymethyl)-2,2,5-trimethyloxazolidine-3-carboxylate (CAS 157336-86-2), a certified reference material (molecular formula C12H23NO4, MW 245.32 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H23NO4, Tert-butyl (4r,5r)-4-(hydroxymethyl)-2,2,5-trimethyloxazolidine-3-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 245.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C12H23NO4 |
| Molecular Weight | 245.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 4-(3-Methyl-1,2,4-thiadiazol-5-yl)thiomorpholine-3-carboxylic acid (CAS 1564965-71-4)
- Tert-butyl ((4-hydroxytetrahydro-2H-pyran-4-yl)methyl)(methyl)carbamate (CAS 1593055-98-1)
- 4-Methyl-2,5-diphenylpyridine (CAS 156021-08-8)
- 1-[2-(1H-Indol-3-yl)ethyl]-3-propylurea (CAS 16036-25-2)
- 3-(2-Thiazolyl)-2-propenoic acid (CAS 52396-77-7)
- tert-Butyl (octahydrocyclopenta[c]pyrrol-3a-yl)carbamate (CAS 1211595-89-9)
- 3,4-Dimethyl-3-(3-methylphenyl)propiophenone (CAS 898790-81-3)
- 4-Cyano-5-difluoromethoxy-2-mercaptophenylacetic acid (CAS 1805659-90-8)
- N-(3-chloro-4-fluorophenyl)-2-((4-chlorophenyl)thio)acetamide (CAS 303090-98-4)
- (2R,5S)-rel-1-Ethyl-2,5-dimethylpiperazine (CAS 1072102-65-8)
- 5-(3,4-Difluorophenyl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1340132-51-5)
- Prednisolone-d8 (CAS CATO-LCAD302219-ME)
- Methyl 2-methyl-5-(sulfamoylmethyl)furan-3-carboxylate (CAS 1248172-71-5)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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