1-(2-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole CAS 497833-00-8
| CAS No. | 497833-00-8 |
| Molecular Formula | C10H6BrF3N2 |
| Molecular Weight | 291.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 291.07 g/mol gives 1-(2-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(2-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 497833-00-8) is a high-purity analytical reference standard with the molecular formula C10H6BrF3N2 and a molecular weight of 291.07 g/mol.
1-(2-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole (C10H6BrF3N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine/bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(2-Bromophenyl)-5-(trifluoromethyl)-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 | C10H6BrF3N2 |
| Molecular Weight | 291.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromophenyl Standards
- 2-(4-Bromophenyl)-5-(trifluoromethyl)-1H-imidazole (CAS 1010837-60-1)
- 1-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 1249598-93-3)
- 1-(4-Bromophenyl)-4-(trifluoromethyl)-1H-pyrazole (CAS 1780422-39-0)
- 3-(4-Bromophenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 219986-65-9)
- 1-(3-Bromophenyl)-3,3-difluorocyclobutane-1-carboxylic acid (CAS 1784485-46-6)
- 1-(2-Bromophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1082366-75-3)
- 1-(3-Bromophenyl)-1h,4h,5h-pyrazolo[3,4-d]pyrimidin-4-one (CAS 650628-15-2)
- 1-(4-Bromophenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 864872-05-9)
Recommended Standards
- (2-Methylindolizine-3-carbonyl)phosphoramidic dichloride (CAS 885457-12-5)
- 2-(4-Bromo-2-fluorobenzyl)malonic acid (CAS 683216-89-9)
- 5-Bromo-2-(1H-pyrrol-1-yl)-3-(trifluoromethyl)pyridine (CAS 1858241-88-9)
- N-(4-Bromo-3-fluoro-6-methyl-2-nitrophenyl)acetamide (CAS 1820604-24-7)
- [5-(pyrrolidin-1-ylsulfonyl)thien-2-yl]methylamine hydrochloride (CAS 1170959-39-3)
- 2-Ethoxy-N-(1-(5-methylfuran-2-yl)ethyl)ethan-1-amine (CAS 1156113-09-5)
- (2E)-3-(3-Nitrophenyl)-N-[(thiophen-2-yl)methyl]prop-2-enamide (CAS 298215-55-1)
- 5,6-Dimethyl-2-vinyl-1H-benzo[d]imidazole (CAS 136616-63-2)
- Amlodipine N-Lactoside Besylate (CAS 2173291-00-2(Free Base）)
- (4-Fluorophenyl) N-pyridin-2-ylcarbamate (CAS 469891-26-7)
- N-Methyl-N-(9H-purin-6-yl)hydroxylamine (CAS 19152-70-6)
- (2Z)-2,3-Dichloro-3-[(1-cyanocyclohexyl)carbamoyl]prop-2-enoic acid (CAS 1148027-04-6)
- 4-Bromo-2-isopropoxy-5-methylaniline (CAS 2055376-62-8)
- Peptide YY (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 81858-94-8)
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