5-(Benzyloxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde CAS 2695516-89-1
| CAS No. | 2695516-89-1 |
| Molecular Formula | C20H23BO4 |
| Molecular Weight | 338.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H23BO4, 5-(Benzyloxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.21 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.
5-(Benzyloxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 2695516-89-1) is a high-purity analytical reference standard with the molecular formula C20H23BO4 and a molecular weight of 338.21 g/mol.
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 | C20H23BO4 |
| Molecular Weight | 338.21 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2002 |
Related Benzyloxy Standards
- 2-Benzyloxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 2096339-03-4)
- 5-(Benzyloxy)-2-iodo-1,3-dimethylbenzene (CAS 126312-61-6)
- 1-(Benzyloxy)-4-(2-iodoethyl)benzene (CAS 163930-30-1)
- 1-(Benzyloxy)-4-iodo-2,3-dimethylbenzene (CAS 2586126-59-0)
- 2-(4-(Benzyloxy)-3-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1257078-56-0)
- 2-(4-(Benzyloxy)-2,6-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1823170-16-6)
- 2-(4-(Benzyloxy)-2,3-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121514-48-3)
- 2-(4-(Benzyloxy)-2-ethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2412496-29-6)
Recommended Standards
- 4-Methyl-N-[2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-4-pyridyl]benzamide (CAS 2246620-36-8)
- 6-(2,6-Dichlorophenyl)-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 865756-07-6)
- 4-[4-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]phenyl acetate (CAS 2490665-98-8)
- 6-Methyl-N-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)nicotinamide (CAS 2246768-23-8)
- (2-(P-tolyl)cyclopropyl)methanamine (CAS 1225498-94-1)
- 6-Chloro-3,5-dinitropyridin-2-amine (CAS 149602-44-8)
- 2H,5H,6H,7H,8H-[1,3]dioxolo[4,5-g]quinazoline-6,8-dione (CAS 21884-35-5)
- 2-(1-(2,2,2-Trifluoroethyl)piperidin-4-yl)ethan-1-ol (CAS 1427412-40-5)
- 2-Methylthiazole-4-carboxylic acid compound with carbonic acid (1:1) (CAS 1609400-31-8)
- Triethoxy-1H,1H,2H,2H-tridecafluoro-n-octylsilane (CAS 51851-37-7)
- (R)-(6,6'-Dimethoxybiphenyl-2,2'-diyl)bis[bis(4-methylphenyl)phosphine] (CAS 133545-24-1)
- Lumateperone Impurity 82 (CAS CATO-C4X-220182)
- n-((4-(2-Methoxyethyl)tetrahydro-2h-pyran-4-yl)methyl)propan-2-amine (CAS 1479355-47-9)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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