4-Butanoyl-2-methylphenylboronic acid CAS 2096334-25-5
| CAS No. | 2096334-25-5 |
| Molecular Formula | C11H15BO3 |
| Molecular Weight | 206.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Butanoyl-2-methylphenylboronic acid (CAS 2096334-25-5), molecular formula C11H15BO3 and molecular weight 206.05 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-Butanoyl-2-methylphenylboronic acid (C11H15BO3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-Butanoyl-2-methylphenylboronic 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.) | 1997 |
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- N-Butanoyl-L-cysteine (CAS 62309-95-9)
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Recommended Standards
- 4-(Cyclopentyloxy)phenylboronic Acid (CAS 871830-02-3)
- 5-Pyrimidineboronic Acid Pinacol Ester (CAS 321724-19-0)
- 4-(4-Tetrahydropyranyl)phenylboronic acid (CAS 865360-62-9)
- Pyridazine-4-boronic Acid Pinacol Ester (CAS 863422-41-7)
- 2,2'-(1,4-Phenylene)bis(5-phenyloxazole-4-carboxylic acid) (CAS 88374-01-0)
- (S)-3-Isopropyl-5-(pyrrolidin-2-yl)-1,2,4-oxadiazole hydrochloride (CAS 1609388-37-5)
- N-[4-(2-Cyclohexylethoxy)phenyl]-N-(3-phenylpropyl)amine (CAS 1040693-20-6)
- Finasteride Impurity 54 (CAS 1385262-95-2)
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2,5-dimethylbenzenesulfonamide (CAS 312526-05-9)
- 4'-Chloro-[1,1'-biphenyl]-2-carboxylicacid (CAS 7079-15-4)
- (S)-1-(2-Nitrophenyl)pyrrolidin-3-amine hydrochloride (CAS 1286207-80-4)
- 3-Bromo-1-(chloromethyl)-1H-1,2,4-triazole (CAS 1674389-99-1)
- (5E)-5-(2-Isopropoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 352540-00-2)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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