Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate CAS 1785048-75-0
| CAS No. | 1785048-75-0 |
| Molecular Formula | C14H25FN2O2 |
| Molecular Weight | 272.36 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.
Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate (CAS 1785048-75-0), molecular formula C14H25FN2O2 and molecular weight 272.36 g/mol, is a CATO reference standard with documented purity and traceability.
Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-carboxylate (C14H25FN2O2) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-9-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 | C14H25FN2O2 |
| Molecular Weight | 272.36 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 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-(Ethylthio)-2,2-diphenylacetic acid (CAS 16036-85-4)
- Tert-butyl 11-fluoro-2,8-diazaspiro[5.5]Undecane-2-carboxylate (CAS 1785048-81-8)
- tert-Butyl 4-(3-fluoropyrrolidin-1-yl)piperidine-1-carboxylate (CAS 1552276-93-3)
- Tert-butyl 7-fluoro-2,9-diazaspiro[5.5]Undecane-2-carboxylate (CAS 1785633-49-9)
- tert-Butyl 3-(hydroxymethyl)-2-oxa-7-azaspiro[4.5]decane-7-carboxylate (CAS 1251002-30-8)
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