(1-Ethyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)boronic acid CAS 2287228-20-8
| CAS No. | 2287228-20-8 |
| Molecular Formula | C6H8BF3N2O2 |
| Molecular Weight | 207.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (1-Ethyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)boronic acid (C6H8BF3N2O2) 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 207.95 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.
(1-Ethyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)boronic acid (CAS 2287228-20-8) is a high-purity analytical reference standard with the molecular formula C6H8BF3N2O2 and a molecular weight of 207.95 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 | C6H8BF3N2O2 |
| Molecular Weight | 207.95 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 Ethyl Standards
- (1-Ethyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)boronic acid (CAS 1346665-27-7)
- 4,4-Bis(trifluoromethyl)oxetan-2-one (CAS 1718-33-8)
- 4-Oxo-6-trifluoromethyl-4H-pyran-2-carboxylic acid (CAS 1000350-06-0)
- 2-Oxo-6-(trifluoromethyl)-1,2-dihydropyrimidine-5-carboxylic acid (CAS 154934-95-9)
- 6-Oxo-2-(trifluoromethyl)-1,6-dihydropyrimidine-5-carboxylic acid (CAS 188781-49-9)
- Methyl 2-(2-(trifluoromethyl)furan-3-yl)acetate (CAS 1330753-17-7)
- 2-[2-Methyl-4-(trifluoromethyl)furan-3-yl]acetic acid (CAS 1368346-53-5)
- 3-(5-(Trifluoromethyl)furan-2-yl)propanoic acid (CAS 1521918-18-2)
Recommended Standards
- 1009303-56-3 4-Fluoro-3-(tetrazol-5-yl)phenylboronic acid C7H6BFN4O2 Z6327 (CAS 1009303-56-3)
- (±)-1,2-Dibromopropane-d6 (CAS 51209-47-3)
- p-Bromonitrophenyl-<SUP>13</SUP>C<SUB>6</SUB> (CAS 1173022-54-2)
- 1,1,2-Trifluoro-2-iodoethylene 2-Iodo-1,1,2-trifluoroethene 359-37-5 iodotrifluoroethylene trifluoroiodoethylene (CAS 359-37-5)
- 4-((2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)thio)-1-(4-fluorophenyl)butan-1-one (CAS 88010-97-3)
- 3-(1H-Imidazol-4-yl)-1,2,4,5-tetrazine (CAS 927200-15-5)
- 5-(Methylthio)-1H-benzo[d]imidazole (CAS 121537-61-9)
- 2-(1-Cyclohexenyl)butyric Acid (CAS 6627-68-5)
- (5-Fluoro-2-(trifluoromethyl)phenyl)methanamine (CAS 231291-14-8)
- 3-(Benzylthio)azetidine (CAS 1343775-04-1)
- 2-(3-Methoxyphenyl)cyclopropan-1-amine hydrochloride (CAS 1354962-89-2)
- 2-((5-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidin-2-yl)thio)-1-(3-(trifluoromethyl)phenyl)ethan-1-one (CAS 344263-28-1)
- ML226 (CAS 2055172-43-3)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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