1-Methylpyrazole-4-boronic acid pinacol ester, 97% CAS 761446-44-0
| CAS No. | 761446-44-0 |
| Molecular Formula | C10H17BN2O2 |
| Molecular Weight | 208.07 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.
CATO supplies 1-Methylpyrazole-4-boronic acid pinacol ester, 97% (CAS 761446-44-0), a certified reference material (molecular formula C10H17BN2O2, MW 208.07 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H17BN2O2, 1-Methylpyrazole-4-boronic acid pinacol ester, 97% contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.07 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), 1-Methylpyrazole-4-boronic acid pinacol ester, 97% 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 | C10H17BN2O2 |
| Molecular Weight | 208.07 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Methylpyrazole Standards
- 1-Boc-3-methylpyrazole-4-boronic acid (CAS 2377608-38-1)
- 5-Methylpyrazole-4-sulfonyl Chloride (CAS 1179918-36-5)
- 1-Methylpyrazole-3-sulfonyl Chloride (CAS 89501-90-6)
- 1-methylpyrazole-4-sulfonyl chloride 288148-34-5 4-(Chlorosulphonyl)-1-methyl-1H-pyrazole (CAS 288148-34-5)
- 1-Methylpyrazole-5-sulfonamide (CAS 918335-69-0)
- 5-Ethyl-1-methylpyrazole-4-carboxylic Acid (CAS 1007541-96-9)
- 1-Ethyl-3-methylpyrazole-4-carboxylic acid (CAS 113131-46-7)
- 1-Ethyl-3-methylpyrazole-5-carboxylic Acid (CAS 50920-65-5)
Recommended Standards
- 1-Methylimidazole-5-boronic Acid Pinacol Ester (CAS 942070-72-6)
- 2,4-Dichloro-1-(sulfinylamino)benzene (CAS 21250-19-1)
- 1-Methyl-5-(4,4,6-trimethyl-1,3,2-dioxaborinan-2-yl)-1H-pyrazole (CAS 2096996-23-3)
- 2,4-Dichloro-6-(vinylthio)-1,3,5-triazine (CAS 667456-87-3)
- [5-(4-Methoxyphenyl)isoxazol-3-yl]methanol (CAS 58492-77-6)
- 1-Bromo-6,6-difluoroheptane (CAS 338751-88-5)
- Methyl 5-(tert-butyl)picolinate (CAS 215436-29-6)
- 3-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole (CAS 374715-23-8)
- N,N,4-Trimethylfuran-3-carboxamide (CAS 22601-08-7)
- 4-(3,5-Dinitrobenzamido)butanoic acid (CAS 102202-82-4)
- Methyl 2-fluoro-4-(6-methoxypyridin-3-yl)benzoate (CAS 1820704-98-0)
- 1-(2-Hydroxyethyl)-2-methyl-4,6-diphenylpyridin-1-ium perchlorate (CAS 69821-41-6)
- 4-(Difluoromethyl)bicyclo[2.2.2]octan-1-amine (CAS 1245643-16-6)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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