B-[9-(1-Naphthalenyl)-9H-carbazol-3-yl]boronic acid CAS 1133057-97-2
| CAS No. | 1133057-97-2 |
| Molecular Formula | C22H16BNO2 |
| Molecular Weight | 337.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 337.18 g/mol gives B-[9-(1-Naphthalenyl)-9H-carbazol-3-yl]boronic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
B-[9-(1-Naphthalenyl)-9H-carbazol-3-yl]boronic acid (CAS 1133057-97-2), molecular formula C22H16BNO2 and molecular weight 337.18 g/mol, is a CATO reference standard with documented purity and traceability.
B-[9-(1-Naphthalenyl)-9H-carbazol-3-yl]boronic acid (C22H16BNO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
CATO manufactures B-[9-(1-Naphthalenyl)-9H-carbazol-3-yl]boronic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H16BNO2 |
| Molecular Weight | 337.18 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) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
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