4-(Diphenylamino)phenylboronic Acid Pinacol Ester CAS 267221-88-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 267221-88-5 |
| Molecular Formula | C24H26BNO2 |
| Molecular Weight | 371.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Diphenylamino)phenylboronic Acid Pinacol Ester (CAS 267221-88-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H26BNO2. Molecular weight: 371.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H26BNO2 |
| Molecular Weight | 371.28 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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- 2-(Diphenylamino)phenyl benzoate (CAS 61283-97-4)
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Recommended Standards
- 2-((4-Chlorobenzyl)thio)-6-(4-chlorophenyl)nicotinonitrile (CAS 252059-08-8)
- Benzyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-azabicyclo[3.2.1]octane-2-carboxylate (CAS 2609867-73-2)
- 1,1,1-Trifluoro-N-(p-tolyl)-N-((trifluoromethyl)sulfonyl)methanesulfonamide (CAS 52331-16-5)
- 2-Amino-1-((S)-3-(benzyl(cyclopropyl)amino)piperidin-1-yl)propan-1-one (CAS 1354028-95-7)
- 6-(Tert-butyl)-1,3-dimethyl-6,7-dihydro-1H-pyrazolo[3,4-b]pyridine-4-carbaldehyde (CAS 1989986-88-0)
- ((1R,2R)-2-(2-Ethylbenzo[d]oxazol-7-yl)cyclopropyl)methanamine (CAS 625851-09-4)
- 4-Fluoro-1H-indole-5-carbaldehyde (CAS 1368354-37-3)
- 2,3-Bis(trifluoromethyl)pyrazolo[1,5-a]pyridine (CAS 73883-19-9)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,3-dimethylphenyl)methanone (CAS 898763-20-7)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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