4-(Phenylsulfamoyl)benzeneboronic acid CAS 2096334-44-8
| CAS No. | 2096334-44-8 |
| Molecular Formula | C12H12BNO4S |
| Molecular Weight | 277.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-(Phenylsulfamoyl)benzeneboronic acid (CAS 2096334-44-8), molecular formula C12H12BNO4S and molecular weight 277.10 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-(Phenylsulfamoyl)benzeneboronic acid (C12H12BNO4S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C12H12BNO4S |
| Molecular Weight | 277.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 5-Chloro-4-hydroxyquinolin-2(1H)-one (CAS 174566-53-1)
- 3a,5-Dimethyl-2-phenyloctahydro-1H-indole (CAS 805953-20-2)
- 4-(bromomethyl)-2,2,6,6-tetramethyloxane (CAS 1638760-06-1)
- n-(4-Bromo-2-chlorobenzyl)propan-2-amine (CAS 1157720-22-3)
- (S)-4-bromo-5-fluoro-2,3-dihydro-1H-inden-1-amine (CAS 1259830-92-6)
- 380430-49-9 4-(Boc-amino)benzeneboronic Acid 4-(Boc-amino)phenylboronic Acid 4-[(tert-Butoxycarbonyl)amino]benzeneboronic Acid 4-[(tert-Butoxycarbonyl)amino]phenylboronic Acid B4335 (CAS 380430-49-9)
- 3-((3,4-Dimethoxybenzyl)amino)propanoic acid (CAS 1224166-72-6)
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