(E)-(1,2-Diphenylbut-1-en-1-yl)boronic acid CAS 918793-63-2
| CAS No. | 918793-63-2 |
| Molecular Formula | C16H17BO2 |
| Molecular Weight | 252.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(E)-(1,2-Diphenylbut-1-en-1-yl)boronic acid (CAS 918793-63-2), molecular formula C16H17BO2 and molecular weight 252.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-(1,2-Diphenylbut-1-en-1-yl)boronic acid (C16H17BO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 252.12 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.
As a certified reference material (CRM), (E)-(1,2-Diphenylbut-1-en-1-yl)boronic 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 | C16H17BO2 |
| Molecular Weight | 252.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related E Standards
- (E)-4,4-Diphenylbut-2-enoic acid (CAS 879089-49-3)
- 4,4-Diphenylbut-3-enoic acid (CAS 7498-88-6)
- Ethyl 4,4-diphenylbut-2-enoate (CAS 499970-24-0)
- 1,4-Diphenylbut-2-ene-1,4-dione (CAS 4070-75-1)
- 1,4-Diphenylbut-2-yne-1,4-dione (CAS 1087-09-8)
- 4-(1,1-Diphenylbut-3-yn-1-yl)-4H-1,2,4-triazole (CAS 88557-70-4)
- 4,4-Diphenylbut-3-en-1-ol (CAS 76694-24-1)
- 1,4-Diphenylbut-3-en-2-one (CAS 5409-59-6)
Recommended Standards
- 2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic acid (CAS 180091-38-7)
- (R)-2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propan-1-ol (CAS 2505078-37-3)
- 2-(2,2-Difluoro-2h-1,3-benzodioxol-5-yl)-2,2-difluoroacetic acid (CAS 1638764-98-3)
- (S)-2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propan-1-ol (CAS 2505078-45-3)
- Methyl 2,3-dioxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 354793-04-7)
- 2-(3-Aminopropyl)isoquinolin-1(2H)-one hydrochloride (CAS 857808-68-5)
- 2-(Benzo[d]oxazol-2-ylthio)-N-(3-nitrophenyl)acetamide (CAS 332412-62-1)
- 2,3-Difluoro-4-iodobenzonitrile (CAS 943830-91-9)
- 2-3-5-Tri-O-benzyl-L-arabinofuranose (CAS 89615-42-9)
- 1-Methyl-3-(2,2,2-trifluoro-1-methoxyethyl)-1H-pyrazole-5-carboxylic acid (CAS 2821786-27-8)
- Naphthalene-1,5-dione (CAS 51583-62-1)
- Ethyl 7-Bromoindole-3-carboxylate (CAS 103858-56-6)
- 3-((6-Oxo-6,7-dihydro-1H-purin-2-yl)amino)propanoic acid (CAS 26323-95-5)
- Bonemarrow-Derived Mesenchymal Stem Cells Affinity Peptide trifluoroacetate salt (CAS 683750-83-6)
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