(4-(3-Methoxyphenyl)thiophen-2-yl)boronic acid CAS 2225169-68-4
| CAS No. | 2225169-68-4 |
| Molecular Formula | C11H11BO3S |
| Molecular Weight | 234.08 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-(3-Methoxyphenyl)thiophen-2-yl)boronic acid (CAS 2225169-68-4) is a high-purity analytical reference standard with the molecular formula C11H11BO3S and a molecular weight of 234.08 g/mol.
Structurally, (4-(3-Methoxyphenyl)thiophen-2-yl)boronic acid (C11H11BO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 234.08 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C11H11BO3S |
| Molecular Weight | 234.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- (4-(2-Methoxyphenyl)thiophen-2-yl)boronic acid (CAS 2225172-99-4)
- (4-(4-Methoxyphenyl)thiophen-2-yl)boronic acid (CAS 2225176-86-1)
- (5-(2-Methoxyphenyl)thiophen-2-yl)boronic acid (CAS 2225169-64-0)
- (5-(4-Methoxyphenyl)thiophen-2-yl)boronic acid (CAS 666861-29-6)
- 2-(2-Methoxyphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 934558-37-9)
- 2-(4-Methoxyphenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 934558-31-3)
- 2-(3-(3-Methoxyphenyl)-1,2,4-oxadiazol-5-yl)acetic acid (CAS 1018655-66-7)
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