1-(3-Fluoro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole CAS 1450642-70-2
| CAS No. | 1450642-70-2 |
| Molecular Formula | C18H24BFN2O2 |
| Molecular Weight | 330.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Fluoro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 1450642-70-2) is a high-purity analytical reference standard with the molecular formula C18H24BFN2O2 and a molecular weight of 330.20 g/mol.
Based on its molecular formula C18H24BFN2O2, 1-(3-Fluoro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 330.20 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.
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.
As a certified reference material (CRM), 1-(3-Fluoro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole 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 | C18H24BFN2O2 |
| Molecular Weight | 330.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 1-(4-Fluoro-benzyl)-3,5-dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 1126779-27-8)
- 1-(2-Fluoro-4-(1H-pyrazol-1-yl)phenyl)-5-methoxy-4-oxo-1,4-dihydropyridazine-3-carboxylic acid (CAS 1622861-42-0)
- 4-(2-Fluoro-4-nitrophenoxy)-7-hydroxy-6-methoxyquinoline (CAS 479690-08-9)
- 1-Fluoro-3-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)-2-(trifluoromethyl)benzene (CAS 1774895-18-9)
- 1-Fluoro-4-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)-3-(trifluoromethyl)benzene 1774895-96-3 (CAS 1774895-96-3)
- 1-Fluoro-2-(1,1,1,3,3,3-hexafluoropropan-2-yloxy)-3-(trifluoromethyl)benzene (CAS 1779122-21-2)
- 9-Fluoro-2-iodo-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine (CAS 1282517-42-3)
- 1-(3-Fluoro-4-(4-iodo-1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1341503-81-8)
Recommended Standards
- Ethyl 2-amino-6-bromo-7-methoxybenzo[b]thiophene-3-carboxylate (CAS 136800-72-1)
- (5-hydroxy-6-methyl-4-(((2,2,2-trifluoroethyl)amino)methyl)pyridin-3-yl)methyl dihydrogen phosphate (CAS 59087-16-0)
- n-(4-Bromophenyl)-3,5-dimethyl-1h-pyrazole-4-sulfonamide (CAS 1268702-85-7)
- (R)-2-((R)-1-Iodo-4-phenylbutyl)tetrahydrofuran (CAS 651057-11-3)
- 1-(3-Hydroxy-4,5-dimethoxyphenyl)ethan-1-one (CAS 114012-82-7)
- Ethyl 4-chloronicotinate, 97% (CAS 37831-62-2)
- ((1,4-Phenylenebis(oxy))bis(4,1-phenylene))bis((4-fluorophenyl)methanone) (CAS 93597-87-6)
- 2-Bromo-7-methoxy-imidazo[1,2-a]pyridine (CAS 1779996-48-3)
- 2-Chlorophenyl propyl sulfide (CAS 34560-81-1)
- 3-Oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxamide (CAS 263756-47-4)
- 3,4-Diaminobutanoic acid dihydrochloride (CAS 109754-82-7)
- 2-Cyclohexyl-5-methyl-2,4-dihydro-pyrazol-3-one (CAS 36210-76-1)
- 1-Bromo-2-(phenylethynyl)benzene (CAS 21375-88-2)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
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