4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane CAS 1449133-19-0
| CAS No. | 1449133-19-0 |
| Molecular Formula | C22H23BO2 |
| Molecular Weight | 330.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane (C22H23BO2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 330.23 g/mol, it falls into the moderately-high-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).
4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane (CAS 1449133-19-0) is a high-purity analytical reference standard with the molecular formula C22H23BO2 and a molecular weight of 330.23 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), 4,4,5,5-Tetramethyl-2-(2-(naphthalen-1-yl)phenyl)-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 | C22H23BO2 |
| Molecular Weight | 330.23 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(4-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane (CAS 1028729-05-6)
- 4,4,5,5-Tetramethyl-2-(2-(naphthalen-2-yl)phenyl)-1,3,2-dioxaborolane (CAS 1062555-59-2)
- 1-(4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazin-1-yl)ethan-1-one (CAS 1218791-38-8)
- 4,4,5,5-Tetramethyl-2-(6-phenylnaphthalen-2-yl)-1,3,2-dioxaborolane (CAS 1229235-79-3)
- Ethyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutane-1-carboxylate (CAS 1257213-69-6)
- 4,4,5,5-Tetramethyl-2-(3-(naphthalen-1-yl)phenyl)-1,3,2-dioxaborolane (CAS 1263272-83-8)
- 4,4,5,5-Tetramethyl-2-(4-phenylnaphthalen-1-yl)-1,3,2-dioxaborolane (CAS 1422181-38-1)
- Methyl 1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopentane-1-carboxylate (CAS 1423704-72-6)
Recommended Standards
- (1,4-Diazepan-1-yl)(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone (CAS 850411-05-1)
- (4-Methylpiperazin-1-yl)(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone (CAS 883738-38-3)
- Ethyl 2-(3-(difluoromethyl)-4,4,7,7-tetrafluoro-4,5,6,7-tetrahydro-1H-indazol-1-yl)acetate (CAS 1417983-67-5)
- (4-Methylpiperazin-1-yl)(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone (CAS 832114-06-4)
- 1-(Pyridin-2-ylmethyl)guanidine (CAS 24067-29-6)
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