4,4,5,5-Tetramethyl-2-(4-pentylphenyl)-1,3,2-dioxaborolane CAS 1359844-02-2
| CAS No. | 1359844-02-2 |
| Molecular Formula | C17H27BO2 |
| Molecular Weight | 274.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,5,5-Tetramethyl-2-(4-pentylphenyl)-1,3,2-dioxaborolane (CAS 1359844-02-2), molecular formula C17H27BO2 and molecular weight 274.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H27BO2, 4,4,5,5-Tetramethyl-2-(4-pentylphenyl)-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 274.21 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C17H27BO2 |
| Molecular Weight | 274.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1991 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(4-neopentylphenyl)-1,3,2-dioxaborolane (CAS 2648451-28-7)
- 4,4,5,5-Tetramethyl-2-(5-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane (CAS 1001200-61-8)
- 4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-2-yl)-1,3,2-dioxaborolane (CAS 1072811-91-6)
- 4,4,5,5-Tetramethyl-2-(2-methylbenzo[b]thiophen-3-yl)-1,3,2-dioxaborolane (CAS 1174298-60-2)
- 4,4,5,5-Tetramethyl-2-(3-methylbenzo[b]thiophen-5-yl)-1,3,2-dioxaborolane (CAS 1404110-11-7)
- 4-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)tetrahydro-2H-thiopyran 1,1-dioxide (CAS 2246853-73-4)
- (1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclopropyl)methanol (CAS 1220219-36-2)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)butan-1-one (CAS 2096332-77-1)
Recommended Standards
- 3-(3-Fluoro-5-(trifluoromethyl)benzyl)-1-methyl-1h-pyrazol-5-ol (CAS 1358573-35-9)
- (4-(4-Pentylcyclohexyl)phenyl)boronic acid (CAS 136321-96-5)
- 4-(Pentafluorosulfur)cinnamic acid (CAS 1240261-80-6)
- [4-(trans-4-n-Pentylcyclohexyl)phenyl]boronic acid (CAS 143651-26-7)
- Indole-3-Acetyl rac-Aspartic Acid (CAS 32449-99-3)
- 2,5-Dichlorophenyl 2-[2-(trifluoromethyl)-1H-1,3-benzodiazol-1-yl]acetate (CAS 672951-06-3)
- (4-(Hydroxymethyl)-3-methylphenyl)boronic acid (CAS 1218790-88-5)
- Pirimicarb-desamido-desmethyl (CAS 78195-30-9)
- 4-(4-Fluorophenoxy)benzonitrile (CAS 215589-24-5)
- 1-(2-Amino-1-(4-fluorophenyl)ethyl)pyrrolidine-3-carboxylic acid (CAS 886364-02-9)
- 2-(3-Chloropyridin-4-yl)acetimidamide (CAS 1492319-67-1)
- Methyl 7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.0^{5,13}]trideca-5(13),6,8,11-tetraene-11-carboxylate hydrochloride (CAS 1820717-34-7)
- 4-((1,3-Bis(dimethylamino)propan-2-yl)amino)quinolin-6-ol hydrobromide (CAS 5402-85-7)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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