4,4,5,5-Tetramethyl-2-(2-methyl-4-(tetrahydro-2H-pyran-4-yl)phenyl)-1,3,2-dioxaborolane CAS 2223039-63-0
| CAS No. | 2223039-63-0 |
| Molecular Formula | C18H27BO3 |
| Molecular Weight | 302.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,5,5-Tetramethyl-2-(2-methyl-4-(tetrahydro-2H-pyran-4-yl)phenyl)-1,3,2-dioxaborolane (CAS 2223039-63-0), molecular formula C18H27BO3 and molecular weight 302.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H27BO3, 4,4,5,5-Tetramethyl-2-(2-methyl-4-(tetrahydro-2H-pyran-4-yl)phenyl)-1,3,2-dioxaborolane contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 302.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4,4,5,5-Tetramethyl-2-(2-methyl-4-(tetrahydro-2H-pyran-4-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 | C18H27BO3 |
| Molecular Weight | 302.22 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Tetramethyl Standards
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperazine (CAS 1245505-23-0)
- 4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)thiazol-2-amine (CAS 269410-17-5)
- 2-[3-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-1-yl]ethan-1-ol (CAS 1476076-06-8)
- 2-[4-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazol-1-yl]ethan-1-ol (CAS 1476076-07-9)
- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidin-2-one (CAS 2223043-44-3)
- 1-[3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzyl]-imidazolidin-2-one (CAS 883738-26-9)
- N-[2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]cyclobutanecarboxamide (CAS 2246899-16-9)
- Methyl 1-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]cyclopropanecarboxylate (CAS 1004294-83-0)
Recommended Standards
- 4-(4-Methyl-1-piperazinyl)phenylboronic Acid Pinacol Ester (CAS 747413-21-4)
- 4-Bromo-5,5-diphenyldihydrofuran-2(3H)-one (CAS 21034-30-0)
- 2-(3-(Cyclohexyloxy)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246858-46-6)
- 5-(2,4-dichlorophenyl)-4-isobutyl-4H-1,2,4-triazole-3-thiol (CAS 743452-43-9)
- Tert-butyl((3,4-dihydro-2H-pyran-6-yl)oxy)dimethylsilane (CAS 130650-09-8)
- 2-Chloro-6-(1H-1,2,4-triazol-1-yl)pyrazine (CAS 1086110-85-1)
- 3-(2-Fluorophenyl)cyclopentan-1-one (CAS 1181615-31-5)
- 5-Bromo-N-(1-methylpiperidin-3-yl)pyridin-3-amine (CAS 1566775-74-3)
- 1-[3-(aminomethyl)phenyl]-3-cyclopropylurea hydrochloride (CAS 1240527-87-0)
- 1-Cyclohexyl-3,5-dimethyl-1h-pyrazole-4-carbaldehyde (CAS 1216062-24-6)
- tert-butyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperidin-4-yl(methyl)carbamate (CAS 1420983-60-3)
- 1-(5-Bromo-6-methyl-indolin-1-yl)ethanone (CAS 1026323-79-4)
- 1-Methylcyclopentyl acrylate (CAS 178889-49-1)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
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