1-Butyl-3-(trifluoromethyl)pyrazole-5-boronic acid CAS 2377611-39-5
| CAS No. | 2377611-39-5 |
| Molecular Formula | C8H12BF3N2O2 |
| Molecular Weight | 236.00 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.
1-Butyl-3-(trifluoromethyl)pyrazole-5-boronic acid (CAS 2377611-39-5) is a high-purity analytical reference standard with the molecular formula C8H12BF3N2O2 and a molecular weight of 236.00 g/mol.
Structurally, 1-Butyl-3-(trifluoromethyl)pyrazole-5-boronic acid (C8H12BF3N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 236.00 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.
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 | C8H12BF3N2O2 |
| Molecular Weight | 236.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- 3,5-Bis(trifluoromethyl)cyclohexanol (CAS 691410-51-2)
- 5-(Trifluoromethyl)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic acid (CAS 2413408-01-0)
- 1-(3-(Trifluoromethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)ethan-1-one (CAS 681470-19-9)
- Ethyl 2-(((trifluoromethyl)sulfonyl)oxy)acetate (CAS 61836-02-0)
- 3-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanehydrazide (CAS 1001518-86-0)
- 2-(5-Methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)propanehydrazide (CAS 1005592-15-3)
- 2-[5-methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl]butanoic acid (CAS 1006348-57-7)
- 4-[5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]butanoic acid (CAS 1006461-93-3)
Recommended Standards
- (1-Isobutyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)boronic acid (CAS 2304633-89-2)
- 2-Bromo-3-fluoro-5-nitrophenol (CAS 945971-14-2)
- 5-Bromo-4-fluoro-3-nitropyridin-2-amine (CAS 1935121-11-1)
- 2-Bromo-4-fluoro-5-nitrophenol (CAS 84478-87-5)
- Methyl 3-(phenylethynyl)benzoate (CAS 207845-32-7)
- N,N-Dimethyldecan-1-amine oxide (CAS 2605-79-0)
- (5-Methyl-[2,3'-bipyridin]-5'-yl)methanamine (CAS 1346686-78-9)
- 1,3-Difluoro-2-(3-fluoro-4-nitrophenoxy)-5-(trifluoromethyl)benzene (CAS 2244083-25-6)
- 1-Butoxy-3-chloro-5-(trifluoromethoxy)benzene (CAS 1881290-35-2)
- 2,2'-Methylenebis(4-aminophenol) dihydrochloride (CAS 27311-52-0)
- Methyl 5-(4-Pyridinyl)pyrazole-3-carboxylate (CAS 144252-20-0)
- 4-Bromopyridin-3-amine hydrochloride (CAS 2007915-73-1)
- Methyl 2-((methylamino)methyl)-1H-benzo[d]imidazole-7-carboxylate (CAS 1258071-11-2)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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