Tert-butyl 5-fluoro-7-oxa-2-azaspiro[3.5]Nonane-2-carboxylate CAS 2306262-61-1
| CAS No. | 2306262-61-1 |
| Molecular Formula | C12H20FNO3 |
| Molecular Weight | 245.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Tert-butyl 5-fluoro-7-oxa-2-azaspiro[3.5]Nonane-2-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.
Tert-butyl 5-fluoro-7-oxa-2-azaspiro[3.5]Nonane-2-carboxylate (CAS 2306262-61-1), molecular formula C12H20FNO3 and molecular weight 245.29 g/mol, is a CATO reference standard with documented purity and traceability.
Tert-butyl 5-fluoro-7-oxa-2-azaspiro[3.5]Nonane-2-carboxylate (C12H20FNO3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C12H20FNO3 |
| Molecular Weight | 245.29 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- Tert-butyl 5-fluoro-5-(hydroxymethyl)-2-azabicyclo[4.1.0]Heptane-2-carboxylate (CAS 2387601-41-2)
- tert-Butyl 7-fluoro-3-oxa-9-azabicyclo[3.3.1]nonane-9-carboxylate (CAS 1998215-92-1)
- Tert-butyl 5-fluoro-1-oxa-7-azaspiro[3.5]Nonane-7-carboxylate (CAS 2387176-80-7)
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