4,4,5,5-Tetramethyl-2-(5-(o-tolyl)furan-2-yl)-1,3,2-dioxaborolane CAS 2096337-37-8
| CAS No. | 2096337-37-8 |
| Molecular Formula | C17H21BO3 |
| Molecular Weight | 284.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4,4,5,5-Tetramethyl-2-(5-(o-tolyl)furan-2-yl)-1,3,2-dioxaborolane (CAS 2096337-37-8), molecular formula C17H21BO3 and molecular weight 284.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H21BO3, 4,4,5,5-Tetramethyl-2-(5-(o-tolyl)furan-2-yl)-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 284.16 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).
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 | C17H21BO3 |
| Molecular Weight | 284.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Tetramethyl Standards
- 4-Methyl-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrazole (CAS 1251931-39-1)
- 1-Methyl-3-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrazole (CAS 1311285-11-6)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-1H-pyrazole (CAS 1315281-50-5)
- 1-Methyl-2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-imidazole (CAS 1394374-23-2)
- 1-Benzyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1447764-19-3)
- 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-1H-imidazole (CAS 1486485-39-5)
- 1-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-1H-pyrazole (CAS 1486485-43-1)
- 1-Methyl-3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-pyrazole (CAS 1607838-15-2)
Recommended Standards
- 4,4,5,5-Tetramethyl-2-(4-(p-tolyl)furan-2-yl)-1,3,2-dioxaborolane (CAS 2096339-63-6)
- 4-Chloro-2-((3-chlorobenzyl)amino)thiazole-5-carbonitrile (CAS 866155-94-4)
- 4,4,5,5-Tetramethyl-2-(4-(o-tolyl)furan-2-yl)-1,3,2-dioxaborolane (CAS 2096331-39-2)
- 5-Methyl-1-phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 849776-88-1)
- 5-Tert-butyl-1,3-thiazole-2-thiol (CAS 58417-82-6)
- (2,2-Dimethylchroman-8-yl)methanol (CAS 355837-47-7)
- (2,3-Dihydro-[1,4]dioxino[2,3-b]pyridin-2-yl)methanol (CAS 153332-63-9)
- 2,3,5,6-Tetrafluoro-4-(trifluoromethyl)benzyl alcohol (CAS 79674-46-7)
- 2-(2-Chlorophenyl)-8-methylquinoline-4-carbonyl chloride (CAS 1160254-31-8)
- 4-([1,1'-Biphenyl]-4-yl)-2-(3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazole (CAS 956361-12-9)
- 4-(Benzo[d][1,3]dioxol-5-yl)-6-chloropyrimidine (CAS 954221-87-5)
- 2-(But-3-en-1-yloxy)ethan-1-amine (CAS 883511-24-8)
- (E)-Caffeic acid isopropyl ester (CAS 845883-03-6)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com