(S)-(9H-Fluoren-9-yl)methyl 4-((S)-sec-butyl)-2,5-dioxooxazolidine-3-carboxylate CAS 129288-41-1
| CAS No. | 129288-41-1 |
| Molecular Formula | C22H21NO5 |
| Molecular Weight | 379.41 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.
(S)-(9H-Fluoren-9-yl)methyl 4-((S)-sec-butyl)-2,5-dioxooxazolidine-3-carboxylate (CAS 129288-41-1) is a high-purity analytical reference standard with the molecular formula C22H21NO5 and a molecular weight of 379.41 g/mol.
Structurally, (S)-(9H-Fluoren-9-yl)methyl 4-((S)-sec-butyl)-2,5-dioxooxazolidine-3-carboxylate (C22H21NO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 379.41 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).
CATO manufactures (S)-(9H-Fluoren-9-yl)methyl 4-((S)-sec-butyl)-2,5-dioxooxazolidine-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.
Physical & Chemical Properties
| Molecular Formula | C22H21NO5 |
| Molecular Weight | 379.41 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
Why CATO?
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