3-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde CAS 1392146-21-2
| CAS No. | 1392146-21-2 |
| Molecular Formula | C14H19BO3 |
| Molecular Weight | 246.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1392146-21-2) is a high-purity analytical reference standard with the molecular formula C14H19BO3 and a molecular weight of 246.11 g/mol.
Structurally, 3-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (C14H19BO3) 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 246.11 g/mol, it falls into the medium-molecular-weight range. 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), 3-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde 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 | C14H19BO3 |
| Molecular Weight | 246.11 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1991 |
Related Methyl Standards
- 3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1073354-66-1)
- 2-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1352132-34-3)
- 2-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1352819-21-6)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine (CAS 1393824-35-5)
- 5-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1418129-42-6)
- 4-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1422268-43-6)
- 2-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1527505-56-1)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone (CAS 171364-81-1)
Recommended Standards
- 4-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1375303-49-3)
- 2-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1375301-91-9)
- 2-Cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine (CAS 1412905-41-9)
- 1,3-Dihydroisobenzofuran-5-boronic Acid Pinacol Ester (CAS 1352037-60-5)
- 7-Chloro-6-hydroxy-5-methylisoindolin-1-one (CAS 1353878-10-0)
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- 4-dimethylaminocinnamic acid (CAS 1552-96-1)
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- Methyl 3a,4,5,6,7,7a-hexahydro-1H-1,3-benzodiazole-5-carboxylate (CAS 1437794-30-3)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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