Tert-butyl (R)-4-((S)-4-benzyl-2-oxooxazolidin-3-yl)-3-methyl-4-oxobutanoate CAS 202874-73-5
| CAS No. | 202874-73-5 |
| Molecular Formula | C19H25NO5 |
| Molecular Weight | 347.41 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.
Tert-butyl (R)-4-((S)-4-benzyl-2-oxooxazolidin-3-yl)-3-methyl-4-oxobutanoate (CAS 202874-73-5), molecular formula C19H25NO5 and molecular weight 347.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Tert-butyl (R)-4-((S)-4-benzyl-2-oxooxazolidin-3-yl)-3-methyl-4-oxobutanoate (C19H25NO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 347.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C19H25NO5 |
| Molecular Weight | 347.41 g/mol |
| Appearance | Pale yellow to 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- TERT-BUTYL 3-((TERT-BUTOXYCARBONYLOXY)METHYL)-1H-INDOLE-1-CARBOXYLATE (CAS 2089652-17-3)
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- (3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-(4-methylphenyl)butanoic acid (3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-(p-tolyl)butanoic acid (3S)-3-(9H-fluoren-9-ylmethoxycarbonylamino)-4-(p-tolyl)butyric acid (3S)-3-[[9H-fluoren-9-ylmethoxy(oxo)methyl]amino]-4-(4-methylphenyl)butanoic acid 270062-97-0 Fmoc-(S)-3-Amino-4-(4-methylphenyl)-butyric acid (CAS 270062-97-0)
- 3-Bromo-N-ethylbenzenesulfonamide (CAS 871269-07-7)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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