3-(1-Methyl-1H-pyrazol-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine CAS 1171892-77-5
| CAS No. | 1171892-77-5 |
| Molecular Formula | C15H20BN3O2 |
| Molecular Weight | 285.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(1-Methyl-1H-pyrazol-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (C15H20BN3O2) contains a nitrogen-containing heterocyclic scaffold, 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 285.15 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(1-Methyl-1H-pyrazol-4-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1171892-77-5) is a high-purity analytical reference standard with the molecular formula C15H20BN3O2 and a molecular weight of 285.15 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C15H20BN3O2 |
| Molecular Weight | 285.15 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 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)ethan-1-one (CAS 1040367-73-4)
- 2-Methoxyquinoline-6-boronic acid pinacol ester, >97% (CAS 1201644-36-1)
- 4-Methyl-2-phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)oxazole (CAS 1034566-03-4)
- N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-imidazol-2-amine (CAS 1207370-24-8)
- 4-(2-Aminoethyl)pyridine-2,6-dicarbonitrile (CAS 1393567-69-5)
- N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)cyclopentanecarboxamide (CAS 883738-28-1)
- Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(naphthalen-2-yl)propanoate (CAS 176896-73-4)
- 2-(4-(4-Fluorophenyl)piperazin-1-yl)-2-(pyridin-3-yl)acetic acid (CAS 885276-69-7)
- 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-6-(dodecan-2-yl)-4-methylphenol (CAS 615285-44-4)
- Phenol, 4-(1,1-dimethylethyl)-, polymer with ethyne (CAS 28514-92-3)
- 1-(5-(Pyridin-3-yl)thiophen-2-yl)ethan-1-one (CAS 187540-78-9)
- 4-Propyl-n-(4-sulfamoylphenyl)piperazine-1-carbothioamide (CAS 708233-84-5)
- 3,5-Dichloro-4-fluoro-2-nitroaniline (CAS 1698952-59-8)
- Liraglutide(3-31)TFA Salt (CAS CATO-C4X-19921)
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