rel-1-(tert-Butyl) 2-methyl (2R,5R)-5-vinylpyrrolidine-1,2-dicarboxylate CAS 138958-19-7
| CAS No. | 138958-19-7 |
| Molecular Formula | C13H21NO4 |
| Molecular Weight | 255.31 g/mol |
| 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.
rel-1-(tert-Butyl) 2-methyl (2R,5R)-5-vinylpyrrolidine-1,2-dicarboxylate (CAS 138958-19-7), molecular formula C13H21NO4 and molecular weight 255.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H21NO4, rel-1-(tert-Butyl) 2-methyl (2R,5R)-5-vinylpyrrolidine-1,2-dicarboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 rel-1-(tert-Butyl) 2-methyl (2R,5R)-5-vinylpyrrolidine-1,2-dicarboxylate 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 | C13H21NO4 |
| Molecular Weight | 255.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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 | 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.) | 1996 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (1R,6S)-Methyl 6-((tert-butoxycarbonyl)amino)cyclohex-3-enecarboxylate (CAS 1384485-24-8)
- (S)-Methyl 3-([1,1'-biphenyl]-4-yl)-2-aminopropanoate (CAS 139040-51-0)
- Methyl 6-mesitylpicolinate (CAS 1384253-80-8)
- (1S,2R,5R)-3-(tert-Butoxycarbonyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid (CAS 1393523-99-3)
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