4-Bromo-3-(difluoromethyl)-1-isopropyl-1H-pyrazole CAS 1856033-52-7
| CAS No. | 1856033-52-7 |
| Molecular Formula | C7H9BrF2N2 |
| Molecular Weight | 239.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H9BrF2N2, 4-Bromo-3-(difluoromethyl)-1-isopropyl-1H-pyrazole contains a nitrile group, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.06 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.
4-Bromo-3-(difluoromethyl)-1-isopropyl-1H-pyrazole (CAS 1856033-52-7) is a high-purity analytical reference standard with the molecular formula C7H9BrF2N2 and a molecular weight of 239.06 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.
CATO manufactures 4-Bromo-3-(difluoromethyl)-1-isopropyl-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H9BrF2N2 |
| Molecular Weight | 239.06 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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