4-(Aminomethyl)phenylboronic Acid Pinacol Ester CAS 138500-88-6
| CAS No. | 138500-88-6 |
| Molecular Formula | C13H20BNO2 |
| Molecular Weight | 233.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-(Aminomethyl)phenylboronic Acid Pinacol Ester (CAS 138500-88-6) is a high-purity analytical reference standard with the molecular formula C13H20BNO2 and a molecular weight of 233.11 g/mol.
Based on its molecular formula C13H20BNO2, 4-(Aminomethyl)phenylboronic Acid Pinacol Ester contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-(Aminomethyl)phenylboronic Acid Pinacol Ester 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 | C13H20BNO2 |
| Molecular Weight | 233.11 g/mol |
| Appearance | Off-white to pale 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
Related Aminomethyl Standards
- 2-(Aminomethyl)-3-(difluoromethyl)-5-methoxy-4-nitropyridine (CAS 1804870-01-6)
- 2-(Aminomethyl)-6-(difluoromethyl)-3-methoxy-5-nitropyridine (CAS 1805067-20-2)
- 2-(Aminomethyl)-4-(difluoromethyl)-6-methoxy-3-nitropyridine (CAS 1805442-13-0)
- 2-(Aminomethyl)-3-(difluoromethyl)-6-methoxy-4-nitropyridine (CAS 1805556-08-4)
- 2-(Aminomethyl)-6-(difluoromethyl)-5-methoxy-3-nitropyridine (CAS 1805604-49-2)
- 2-(Aminomethyl)-3-(difluoromethyl)-4-methoxy-5-nitropyridine (CAS 1806957-75-4)
- 2-(Aminomethyl)-3-(difluoromethyl)-6-methoxy-5-nitropyridine (CAS 1806957-80-1)
- Methyl 5-(aminomethyl)-2-(trifluoromethyl)benzoate (CAS 1415206-84-6)
Recommended Standards
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- (5-Bromo-1-(tert-butyl)-1H-pyrazol-4-yl)methanol (CAS 1374257-82-5)
- 4-(4-Bromo-1H-pyrazol-1-yl)-2-methylbutan-2-ol (CAS 1430727-38-0)
- 5-Cyano-4-fluoro-2-methylbenzoic acid (CAS 1803752-66-0)
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- 2-Chloro-4-[(4-chlorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 338405-95-1)
- n-(3-Bromophenyl)-3-methylpiperidine-1-carboxamide (CAS 1209293-35-5)
- 1,3A,8-trimethyl-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-5-thiol (CAS 61562-53-6)
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- 61655-07-0 N-Methyl-N-phenyl(~13~C)formamide DTXSID90575898 (CAS 61655-07-0)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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