2-(2-Methoxy-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 2755733-10-7
| CAS No. | 2755733-10-7 |
| Molecular Formula | C14H21BO3 |
| Molecular Weight | 248.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-Methoxy-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2755733-10-7), molecular formula C14H21BO3 and molecular weight 248.13 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H21BO3, 2-(2-Methoxy-6-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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.
Physical & Chemical Properties
| Molecular Formula | C14H21BO3 |
| Molecular Weight | 248.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
Related Methoxy Standards
- 2-Methoxy-4-methylphenylboronic acid pinacol ester (CAS 1326662-69-4)
- 2-(2-Methoxy-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1416165-54-2)
- 2-(3-Methoxy-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1417036-28-2)
- 2-(5-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1641570-76-4)
- 2-(3-Methoxy-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 351456-69-4)
- 2-(3-Methoxy-5-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 365564-09-6)
- 2-(4-Methoxy-3-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 214360-63-1)
- 1-(2-Methoxy-5-nitrophenyl)-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 17392-67-5)
Recommended Standards
- 2-(2,6-Dichlorobenzylidene)hydrazine-1-carbothioamide (CAS 24047-22-1)
- 2-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanol (CAS 651030-56-7)
- 1-(Cyclopropylmethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2019997-41-0)
- 2-(3-(Methoxymethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 675605-91-1)
- 2',4'-Dimethoxy-[1,1'-biphenyl]-3-sulfonyl chloride (CAS 942473-57-6)
- 4-Chloro-2,6-Dimethylphenol (CAS 1123-63-3)
- Methyl 3-(5-(benzyloxy)-1H-indol-3-yl)propanoate (CAS 101890-43-1)
- 3-((Tert-butoxycarbonyl)amino)-3-(4-ethylphenyl)propanoic acid (CAS 284493-61-4)
- Salbutamol EP impurity N (CAS 149222-15-1)
- Palbociclib Impurity 121 (CAS 1974279-40-7)
- 2-Methyl-1,5-naphthyridin-4-ol (CAS 99513-21-0)
- 1H,2H,3H,4H-benzo[g]quinazoline-2,4-dione (CAS 13898-60-7)
- 1-Methyl-5-nitro-1H-indazole (CAS 5228-49-9)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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