(E)-4,4,5,5-Tetramethyl-2-(4-nitrostyryl)-1,3,2-dioxaborolane CAS 149777-86-6
| CAS No. | 149777-86-6 |
| Molecular Formula | C14H18BNO4 |
| Molecular Weight | 275.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-4,4,5,5-Tetramethyl-2-(4-nitrostyryl)-1,3,2-dioxaborolane (CAS 149777-86-6), a certified reference material (molecular formula C14H18BNO4, MW 275.11 g/mol) for analytical method development and quality control.
Structurally, (E)-4,4,5,5-Tetramethyl-2-(4-nitrostyryl)-1,3,2-dioxaborolane (C14H18BNO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 275.11 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), (E)-4,4,5,5-Tetramethyl-2-(4-nitrostyryl)-1,3,2-dioxaborolane 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 | C14H18BNO4 |
| Molecular Weight | 275.11 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one (CAS 1016641-53-4)
- 4,4,5,5-Tetramethyl-2-(1-(4-nitrophenyl)vinyl)-1,3,2-dioxaborolane (CAS 1038849-79-4)
- 3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2(3H)-one (CAS 1220696-32-1)
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- (E)-4,4,5,5-Tetramethyl-2-(3-nitrostyryl)-1,3,2-dioxaborolane (CAS 581802-25-7)
- 8-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 2304634-58-8)
- 5-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1154740-49-4)
- N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)acetamide (CAS 1235450-93-7)
Recommended Standards
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