(4-(3-Ethoxy-3-oxoprop-1-en-1-yl)phenyl)boronic acid CAS 945837-75-2
| CAS No. | 945837-75-2 |
| Molecular Formula | C11H13BO4 |
| Molecular Weight | 220.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (4-(3-Ethoxy-3-oxoprop-1-en-1-yl)phenyl)boronic acid (C11H13BO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.5, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 220.03 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(4-(3-Ethoxy-3-oxoprop-1-en-1-yl)phenyl)boronic acid (CAS 945837-75-2) is a high-purity analytical reference standard with the molecular formula C11H13BO4 and a molecular weight of 220.03 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.
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 | C11H13BO4 |
| Molecular Weight | 220.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Ethoxy Standards
- (E)-(3-(3-Ethoxy-3-oxoprop-1-en-1-yl)phenyl)boronic acid (CAS 913835-51-5)
- (E)-(4-(3-Ethoxy-3-oxoprop-1-en-1-yl)phenyl)boronic acid (CAS 850568-49-9)
- (2-Ethoxy-5,6,7,8-tetrahydronaphthalen-1-yl)boronic acid (CAS 622834-95-1)
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Recommended Standards
- (3-Cyclopropyl-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2225181-61-1)
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- (2-Cyclopropyl-5-(methoxycarbonyl)phenyl)boronic acid (CAS 2225169-37-7)
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- 2-((1-Acetyl-1H-indol-3-yl)amino)benzoic acid (CAS 352548-58-4)
- Homofolic Acid (CAS 3566-25-4)
- 2-((3,4-Dimethylbenzyl)amino)propan-1-ol (CAS 1157165-84-8)
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- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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