4,4,5,5-Tetramethyl-2-(3-((4-nitrobenzyl)oxy)phenyl)-1,3,2-dioxaborolane CAS 2226818-91-1
| CAS No. | 2226818-91-1 |
| Molecular Formula | C19H22BNO5 |
| Molecular Weight | 355.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H22BNO5, 4,4,5,5-Tetramethyl-2-(3-((4-nitrobenzyl)oxy)phenyl)-1,3,2-dioxaborolane contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 355.19 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).
4,4,5,5-Tetramethyl-2-(3-((4-nitrobenzyl)oxy)phenyl)-1,3,2-dioxaborolane (CAS 2226818-91-1) is a high-purity analytical reference standard with the molecular formula C19H22BNO5 and a molecular weight of 355.19 g/mol.
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.
CATO manufactures 4,4,5,5-Tetramethyl-2-(3-((4-nitrobenzyl)oxy)phenyl)-1,3,2-dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H22BNO5 |
| Molecular Weight | 355.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related Tetramethyl Standards
- Benzyl (5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)carbamate (CAS 1256359-98-4)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(3-(trifluoromethyl)phenyl)thiazole (CAS 1402237-78-8)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(4-(trifluoromethyl)phenyl)thiazole (CAS 1402237-79-9)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(3-(trifluoromethyl)phenyl)thiazole (CAS 1402237-80-2)
- 1-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-(trifluoromethyl)phenyl]pyrrolidin-2-one (CAS 2223041-71-0)
- 4,4,5,5-Tetramethyl-2-(1-nitrodibenzo[b,d]thiophen-4-yl)-1,3,2-dioxaborolane (CAS 881375-79-7)
- N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-2-yl)pivalamide (CAS 2696446-25-8)
- N-(6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-2-yl)pivalamide (CAS 2413797-48-3)
Recommended Standards
- 1,1'-(Pyridine-2,6-diyl)bis(4,4,4-trifluorobutane-1,3-dione) (CAS 216299-25-1)
- 5-(Chlorodifluoromethyl)-1-((4-chlorophenyl)sulfonyl)-2,3-dihydro-1H-1,4-diazepine (CAS 477848-83-2)
- 1-((1H-Imidazol-1-yl)methyl)-4-bromo-9H-xanthen-9-one (CAS 331684-13-0)
- 5-BDBD (CAS 768404-03-1)
- 6-((5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)methoxy)-2-phenylpyridazin-3(2H)-one (CAS 692737-12-5)
- (9-Carboxynonyl)triphenylphosphonium (CAS 779282-36-9)
- 2-(5-Acetylthiophen-2-yl)-isonicotinic Acid (CAS 893723-57-4)
- Tris(perfluorophenyl)phosphine oxide (CAS 2729-11-5)
- 4-Phenyl-2,3-dihydro-1h-imidazol-2-one (CAS 6794-69-0)
- 1-Benzyl-5-fluoro-1H-indole-3-carbonitrile (CAS 1426847-71-3)
- Phenol, 2-methoxy-4-(1-propen-1-yl)-, polymer with 2-methoxy-4-(2-propen-1-yl)phenol (CAS 68928-73-4)
- Octahydrobenzo[b][1,4]dioxin-6-amine hydrochloride (CAS 1949815-68-2)
- (5-Chloro-2-methoxyphenyl)(cyclopropyl)methanone (CAS 69639-86-7)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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