tert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-azaspiro[3.3]hept-5-ene-2-carboxylate CAS 2730903-90-7
| CAS No. | 2730903-90-7 |
| Molecular Formula | C17H28BNO4 |
| Molecular Weight | 321.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies tert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-azaspiro[3.3]hept-5-ene-2-carboxylate (CAS 2730903-90-7), a certified reference material (molecular formula C17H28BNO4, MW 321.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H28BNO4, tert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-azaspiro[3.3]hept-5-ene-2-carboxylate contains a steroid 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 321.22 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.
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 | C17H28BNO4 |
| Molecular Weight | 321.22 g/mol |
| Appearance | Off-white to pale 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
Recommended Standards
- rel-(2R,3S,Z)-6-Fluoro-3-methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)hex-5-ene-2-sulfonamide (CAS 2580246-26-8)
- 2-(1-(2,2-Difluoroethyl)-4-(difluoromethyl)-3-methyl-6-oxo-1,6-dihydro-7H-pyrazolo[3,4-b]pyridin-7-yl)acetic acid (CAS 1018052-01-1)
- N-Benzyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanimine (CAS 2097555-05-8)
- 2-Bromo-1,3-dimethyl-5-[3-(methylsulfonyl)propoxy]benzene (CAS 1372195-69-1)
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