(S)-(9H-Fluoren-9-yl)methyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate CAS 129288-47-7
| CAS No. | 129288-47-7 |
| Molecular Formula | C21H19NO5 |
| Molecular Weight | 365.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-(9H-Fluoren-9-yl)methyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-(9H-Fluoren-9-yl)methyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate (CAS 129288-47-7) is a high-purity analytical reference standard with the molecular formula C21H19NO5 and a molecular weight of 365.38 g/mol.
Based on its molecular formula C21H19NO5, (S)-(9H-Fluoren-9-yl)methyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 365.38 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-(9H-Fluoren-9-yl)methyl 4-isopropyl-2,5-dioxooxazolidine-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H19NO5 |
| Molecular Weight | 365.38 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
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