1'-tert-Butyl 6-ethyl 4-fluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1',6-dicarboxylate CAS 2171390-88-6
| CAS No. | 2171390-88-6 |
| Molecular Formula | C21H27FN2O5 |
| Molecular Weight | 406.45 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.
1'-tert-Butyl 6-ethyl 4-fluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1',6-dicarboxylate (CAS 2171390-88-6) is a high-purity analytical reference standard with the molecular formula C21H27FN2O5 and a molecular weight of 406.45 g/mol.
Structurally, 1'-tert-Butyl 6-ethyl 4-fluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1',6-dicarboxylate (C21H27FN2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 406.45 g/mol, it falls into the moderately-high-molecular-weight range. 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).
As a certified reference material (CRM), 1'-tert-Butyl 6-ethyl 4-fluoro-1-methyl-2-oxospiro[indoline-3,4'-piperidine]-1',6-dicarboxylate 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 | C21H27FN2O5 |
| Molecular Weight | 406.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
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- (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(isopropylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 55692-84-7)
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