[3-(4-Aminophenoxy)phenyl]boronic acid CAS 2096333-48-9
| CAS No. | 2096333-48-9 |
| Molecular Formula | C12H12BNO3 |
| Molecular Weight | 229.04 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.
[3-(4-Aminophenoxy)phenyl]boronic acid (CAS 2096333-48-9), molecular formula C12H12BNO3 and molecular weight 229.04 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, [3-(4-Aminophenoxy)phenyl]boronic acid (C12H12BNO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 229.04 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.
Physical & Chemical Properties
| Molecular Formula | C12H12BNO3 |
| Molecular Weight | 229.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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 |
Related Aminophenoxy Standards
- [4-(4-Aminophenoxy)phenyl]boronic acid (CAS 1029438-85-4)
- [4-(2-Aminophenoxy)phenyl]boronic acid (CAS 957103-98-9)
- 4-(3-Aminophenoxy)benzoic acid (CAS 165250-87-3)
- 2-(4-Aminophenoxy)benzoic acid (CAS 67724-03-2)
- 3-(4-Aminophenoxy)benzoic acid (CAS 54579-63-4)
- 4-(2-Aminophenoxy)benzoic acid (CAS 860181-32-4)
- 4-(3-Aminophenoxy)picolinamide (CAS 284462-79-9)
- 4-(4-Aminophenoxy)benzoic Acid (CAS 28999-69-1)
Recommended Standards
- (6-(Benzyloxy)pyridin-2-yl)boronic acid (CAS 2096339-18-1)
- (2-(4-Methoxyphenyl)pyridin-4-yl)boronic acid (CAS 912844-93-0)
- 6-(Benzyloxy)pyridine-3-boronic Acid (CAS 929250-35-1)
- (2-(3-Methoxyphenyl)pyridin-4-yl)boronic acid (CAS 2225177-69-3)
- 5-Chloro-3-(3-chlorophenyl)-1,2,4-thiadiazole (CAS 138426-28-5)
- (R)-4,7-Dichloro-2,3-dihydrobenzofuran-3-amine (CAS 1213159-82-0)
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