2-(4-Isobutoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1421597-99-0
| CAS No. | 1421597-99-0 |
| Molecular Formula | C16H25BO3 |
| Molecular Weight | 276.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(4-Isobutoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1421597-99-0), molecular formula C16H25BO3 and molecular weight 276.18 g/mol, is a CATO reference standard with documented purity and traceability.
2-(4-Isobutoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (C16H25BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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 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), 2-(4-Isobutoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 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 | C16H25BO3 |
| Molecular Weight | 276.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Isobutoxyphenyl Standards
- 4-Ethyl-5-(4-isobutoxyphenyl)-4H-1,2,4-triazole-3-thiol (CAS 725244-84-8)
- 4-(4'-Isobutoxyphenyl)phenylboronic acid (CAS 1235568-92-9)
- 2-(2-Isobutoxyphenyl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 63874-69-1)
- (4-Isobutoxyphenyl)-N-(tetrahydro-2-furanylmethyl)methanamine (CAS 1040692-45-2)
- 2-(4-Isobutoxyphenyl)-5,5-dimethylmorpholine (CAS 1368510-74-0)
- 5-(4-Isobutoxyphenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 725245-10-3)
- 5-(4-Isobutoxyphenyl)oxazole-2-carboxylic acid (CAS 1352524-84-5)
- 5-(4-Isobutoxyphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1234342-30-3)
Recommended Standards
- 5-Isopropoxy-2-methylphenylboronic acid, pinacol ester (CAS 1416723-00-6)
- 4,4,5,5-Tetramethyl-2-(2-methyl-4-propoxyphenyl)-1,3,2-dioxaborolane (CAS 1688702-80-8)
- 3-(tert-Butyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1402890-07-6)
- Ethyl difluoro[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]acetate (CAS 1706437-44-6)
- 10-amino-2-methyl-1H,4H-benzo[g]quinazolin-4-one (CAS 30507-35-8)
- tert-Butyl (1-cyclopentylpiperidin-4-yl)carbamate (CAS 936221-73-7)
- 2-(tert-Butyl)-1-methyl-4-(trimethylstannyl)-1H-imidazole (CAS 936718-20-6)
- Thalidomide-O-acetamido-PEG1-C2-acid (CAS 2204225-99-8)
- 2-(Cyclopentyl(thiophen-3-ylmethyl)amino)acetonitrile (CAS 1482795-46-9)
- Apalutamide Impurity 31 (CAS CATO-C4X-274931)
- Methyl 3,4-difluoro-5-nitrophenylacetate (CAS 1803824-68-1)
- 2-Ethoxy-3-methoxybenzoic acid (CAS 773869-96-8)
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- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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