(E)-4,4,5,5-Tetramethyl-2-(2-(naphthalen-2-yl)vinyl)-1,3,2-dioxaborolane CAS 1259026-15-7
| CAS No. | 1259026-15-7 |
| Molecular Formula | C18H21BO2 |
| Molecular Weight | 280.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (E)-4,4,5,5-Tetramethyl-2-(2-(naphthalen-2-yl)vinyl)-1,3,2-dioxaborolane (C18H21BO2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 280.17 g/mol, it falls into the medium-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).
(E)-4,4,5,5-Tetramethyl-2-(2-(naphthalen-2-yl)vinyl)-1,3,2-dioxaborolane (CAS 1259026-15-7) is a high-purity analytical reference standard with the molecular formula C18H21BO2 and a molecular weight of 280.17 g/mol.
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-(2-(naphthalen-2-yl)vinyl)-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 | C18H21BO2 |
| Molecular Weight | 280.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related E Standards
- 7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-quinazolin-4-one (CAS 1009303-80-3)
- Methyl 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-yl]acetate (CAS 1109277-66-8)
- 2-Methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butan-2-ol (CAS 1430727-39-1)
- (E)-4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)vinyl)-1,3,2-dioxaborolane (CAS 149777-87-7)
- ethyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-2-ene-1-carboxylate (CAS 1536395-80-8)
- 3-Methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butan-2-ol (CAS 1578484-18-0)
- 4,4,5,5-Tetramethyl-2-(1-(naphthalen-2-yl)vinyl)-1,3,2-dioxaborolane (CAS 1821160-88-6)
- 4,4,5,5-Tetramethyl-2-(spiro[bicyclo[4.1.0]heptane-3,2'-[1,3]dioxolan]-6-yl)-1,3,2-dioxaborolane (CAS 2761984-81-8)
Recommended Standards
- 2-(4,5-Dichloro-1H-imidazol-1-yl)-1-thiomorpholinoethan-1-one (CAS 1219577-27-1)
- 1-(2-Isopropoxyethyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 1339890-98-0)
- 1-(2-Methoxyethyl)-3,5-dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1200537-40-1)
- 2,4-Bis(trifluoromethyl)quinolin-7-amine (CAS 1345323-00-3)
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- Methyl 3-butyl-5-iodo-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate (CAS 1415309-32-8)
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- 1-[3-(Trifluoromethyl)phenyl]cyclopropanemethanamine (CAS 886365-96-4)
- 1-Ethyl-1H-pyrazole-3,4-diamine dihydrochloride (CAS 1431962-42-3)
- 3-(2-Methoxyethyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylic acid (CAS 361150-40-5)
- 1-([4-(2-Furyl)-1,3-thiazol-2-yl]methyl)piperazine (CAS 1083201-72-2)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
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