4-Bromo-3-(difluoromethyl)-1-ethyl-1H-pyrazole CAS 1856095-62-9
| CAS No. | 1856095-62-9 |
| Molecular Formula | C6H7BrF2N2 |
| Molecular Weight | 225.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Bromo-3-(difluoromethyl)-1-ethyl-1H-pyrazole.
4-Bromo-3-(difluoromethyl)-1-ethyl-1H-pyrazole (CAS 1856095-62-9), molecular formula C6H7BrF2N2 and molecular weight 225.03 g/mol, is a CATO reference standard with documented purity and traceability.
4-Bromo-3-(difluoromethyl)-1-ethyl-1H-pyrazole (C6H7BrF2N2) contains a nitrile group, fluorine/bromine substitution. Halogen substitution raises its density and boiling point; 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.
CATO manufactures 4-Bromo-3-(difluoromethyl)-1-ethyl-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 | C6H7BrF2N2 |
| Molecular Weight | 225.03 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 |
Related Bromo Standards
- 4-Bromo-5-(difluoromethyl)-1-ethyl-1H-pyrazole (CAS 1856046-48-4)
- 4-Bromo-1-(2,2-difluoroethyl)-5-methyl-1H-pyrazole (CAS 1946828-50-7)
- 3-Bromo-1-(2,2-difluoroethyl)-4-methyl-1H-pyrazole (CAS 2469102-90-5)
- 4-Bromo-1-(2,2-difluoropropyl)-1H-imidazole (CAS 2167183-58-4)
- 4-Bromo-1-(difluoromethyl)-3,5-dimethyl-1H-pyrazole (CAS 882230-06-0)
- 4-Bromo-5-(2,2-difluoroethyl)-1-methyl-1H-pyrazole (CAS 2306262-80-4)
- 6-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbaldehyde (CAS 1000341-75-2)
- 4-Bromo-1H-pyrrolo[3,2-c]pyridine-3-carbaldehyde (CAS 1000341-87-6)
Recommended Standards
- 4-(bromomethyl)-3-(difluoromethyl)-1-methyl-1H-pyrazole (CAS 1694474-39-9)
- (5R,6R)-3,4-Dichloro-5,6-dihydroxycyclohexa-1,3-dienecarboxylic acid (CAS 205587-32-2)
- 4-(Bromomethyl)-5-(difluoromethyl)-1-methyl-1h-pyrazole (CAS 1525015-38-6)
- 3-((2-Fluorophenyl)(hydroxy)boryl)benzonitrile (CAS 718642-07-0)
- 3-Amino-4-hydroxybutan-2-one (CAS 97941-15-6)
- tert-Butyl N-(3-methylazetidin-3-yl)-N-(methyl)carbamate (CAS 943060-83-1)
- (S)-Methyl 2-amino-4-((tert-butoxycarbonyl)amino)butanoate (CAS 125279-44-9)
- 2-(Bromomethyl)-4-chloro-3-cyano-5-(difluoromethyl)pyridine (CAS 1806929-32-7)
- 5-(2-Fluorophenyl)-3-(piperidin-4-yl)-1,2,4-oxadiazole (CAS 1226243-89-5)
- 1-(4-Fluorophenyl)-2-methylcyclobutane-1-carboxylic acid (CAS 1506242-55-2)
- 5-Chloro-7-fluoro-1-(phenylsulfonyl)-1H-indole (CAS 1714086-36-8)
- tert-Butyl (2-(pyridin-2-yloxy)ethyl)carbamate (CAS 1029715-22-7)
- (S)-1-(2,4-difluorophenyl)pentan-1-amine (CAS 1213489-41-8)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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