2-(5-Ethyl-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 868167-66-2
| CAS No. | 868167-66-2 |
| Molecular Formula | C15H23BO3 |
| Molecular Weight | 262.15 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.
2-(5-Ethyl-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 868167-66-2) is a high-purity analytical reference standard with the molecular formula C15H23BO3 and a molecular weight of 262.15 g/mol.
Based on its molecular formula C15H23BO3, 2-(5-Ethyl-2-methoxyphenyl)-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 262.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H23BO3 |
| Molecular Weight | 262.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Ethyl Standards
- 2-(2-Ethyl-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1674364-13-6)
- 2-(1-(4-Methoxyphenyl)ethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 872167-80-1)
- 2-(3-Ethyl-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121511-72-4)
- N-(4-Methoxyphenyl)-5-nitrofuran-3-carboxamide (CAS 122060-90-6)
- 3-(2-Methoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 1283108-21-3)
- 3-(4-Methoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 202197-51-1)
- N-(2-methoxyphenyl)-4-nitro-1H-pyrazole-5-carboxamide (CAS 360573-15-5)
- Bis(4-methoxyphenyl)phosphine oxide (CAS 15754-51-5)
Recommended Standards
- 2-(4-Methoxy-3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 568572-19-0)
- 2,3-Difluorophenyl trifluoromethanesulfonate (CAS 211315-75-2)
- 2-(4-Methoxy-2,3-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 915402-04-9)
- 2,4-Difluorophenyl trifluoromethanesulfonate (CAS 264135-49-1)
- 2-((4-(((Benzyloxy)carbonyl)amino)cyclohexyl)(ethyl)amino)acetic acid (CAS 1353961-88-2)
- 4-Formyl-2-methoxyphenyl Methanesulfonate (CAS 52200-05-2)
- (R)-1-((5-Amino-6-chloropyrimidin-4-yl)amino)propan-2-ol (CAS 17435-30-2)
- 1-(4-Fluorobenzyl)-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 618070-43-2)
- Ethyl 8-bromo-6-fluoroimidazo[1,2-a]pyridine-2-carboxylate (CAS 1421312-22-2)
- 4-(Cyclohexylmethoxy)benzaldehyde (CAS 126521-53-7)
- 2-(((5-Methylpyrazin-2-yl)methyl)amino)ethanethiol (CAS 105827-86-9)
- (4-Chlorophenyl)(2-phenylthiazol-5-yl)methanone (CAS 73161-81-6)
- 2-((3-Cyano-6-(4-methoxyphenyl)-4-phenylpyridin-2-yl)thio)acetic acid (CAS 94639-80-2)
- Neuropeptide Y (13-36) (human, rat) (CAS 122341-40-6)
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