4-(Cyclopentyloxy)phenylboronic Acid CAS 871830-02-3
| CAS No. | 871830-02-3 |
| Molecular Formula | C11H15BO3 |
| Molecular Weight | 206.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Cyclopentyloxy)phenylboronic Acid (C11H15BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-(Cyclopentyloxy)phenylboronic Acid (CAS 871830-02-3), molecular formula C11H15BO3 and molecular weight 206.05 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 4-(Cyclopentyloxy)phenylboronic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H15BO3 |
| Molecular Weight | 206.05 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Cyclopentyloxy Standards
- (2-(Cyclopentyloxy)phenyl)boronic acid (CAS 1311159-02-0)
- 3-(Cyclopentyloxy)phenylboronic Acid (CAS 959850-87-4)
- 4-(Cyclopentyloxy)-2-hydroxybenzaldehyde (CAS 1196474-82-4)
- 2-(Cyclopentyloxy)benzoic acid (CAS 148215-77-4)
- 3-(Cyclopentyloxy)benzoic acid (CAS 158860-99-2)
- 4-(Cyclopentyloxy)benzoic acid (CAS 30762-02-8)
- (R)-1-(4-(cyclopentyloxy)phenyl)ethan-1-amine (CAS 1213029-09-4)
- (S)-1-(4-(Cyclopentyloxy)phenyl)ethanamine (CAS 1213104-18-7)
Recommended Standards
- 4-(4-Tetrahydropyranyl)phenylboronic acid (CAS 865360-62-9)
- 4-Butanoyl-2-methylphenylboronic acid (CAS 2096334-25-5)
- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 2018362-17-7)
- 5-Pyrimidineboronic Acid Pinacol Ester (CAS 321724-19-0)
- 5-Oxo-2,3,5,9b-tetrahydro-thiazolo-[2,3-a]isoindole-3-carboxylic acid (CAS 118726-68-4)
- 3,5-Dihydroimidazo[2,1-b]quinazolin-2(1H)-one (CAS 50608-24-7)
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- 2-(Difluoromethyl)-5-methoxy-4-methyl-3-nitropyridine (CAS 1805465-21-7)
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- 5-Chloro-2-(o-tolyl)benzo[d]oxazole (CAS 305361-65-3)
- 5-Ethynyluridine (CAS 69075-42-9)
- Insulin Glargine Metabolite M2 (CAS CATO-CPTD788867)
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