1-(4-Bromo-5-methyl-3-(perfluoropropyl)-1H-pyrazol-1-yl)ethan-1-one CAS 808764-22-9
| CAS No. | 808764-22-9 |
| Molecular Formula | C9H6BrF7N2O |
| Molecular Weight | 371.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Bromo-5-methyl-3-(perfluoropropyl)-1H-pyrazol-1-yl)ethan-1-one (CAS 808764-22-9), molecular formula C9H6BrF7N2O and molecular weight 371.05 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H6BrF7N2O, 1-(4-Bromo-5-methyl-3-(perfluoropropyl)-1H-pyrazol-1-yl)ethan-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 371.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-(4-Bromo-5-methyl-3-(perfluoropropyl)-1H-pyrazol-1-yl)ethan-1-one 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 | C9H6BrF7N2O |
| Molecular Weight | 371.05 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 |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 1-Acetyl-4-bromo-5(3)-heptafluoropropyl-3(5)-methylpyrazole (CAS 232278-00-1)
- 7-Bromo-2-(2,6-dichlorophenyl)-2,3-dihydroquinolin-4(1H)-one (CAS 882854-45-7)
- 2-(2-Bromo-4-fluorophenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244088-23-9)
- 2-(3-Bromo-4-fluorophenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244084-81-7)
- 2-(4-Bromo-2-fluorophenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244087-64-5)
- 2-(5-Bromo-2-fluorophenoxy)-1,3-difluoro-5-(trifluoromethyl)benzene (CAS 2244087-61-2)
- 4-Bromo-2-(((4-bromo-3-methylphenyl)amino)methyl)phenol (CAS 329777-39-1)
- 5-{[4-bromo-3,5-bis(difluoromethyl)-1h-pyrazol-1-yl]methyl}furan-2-carboxylic acid (CAS 1006447-74-0)
Recommended Standards
- 5-Fluoro-3-iodopyridin-2-yl trifluoromethanesulfonate (CAS 1261365-53-0)
- 8-Chloro-2-(2,4-dichlorophenyl)quinoline-4-carbonyl chloride (CAS 1160256-69-8)
- 6-Iodo-3-nitro-2-(trifluoromethyl)-2H-chromene (CAS 2640936-75-8)
- 8-Chloro-2-(2,5-dichlorophenyl)quinoline-4-carbonyl chloride (CAS 1160256-64-3)
- (R)-1-(3-Chloro-2-fluorophenyl)ethanamine hydrochloride (CAS 1253792-97-0)
- 5-Nitro-1,10-phenanthrolineferroussulfate (CAS 23700-19-8)
- 1-(3-Bromo-1-methyl-1H-1,2,4-triazol-5-yl)piperidine (CAS 1243250-23-8)
- N-(m-PEG9)-N'-(PEG5-acid)-Cy5 (CAS 2107273-26-5)
- 1147447-05-9 4-(5-Bromo-pyridin-2-yl)-isoquinoline MFCD13152529 (CAS 1147447-05-9)
- 3,5,7-Triphenyl-6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrimidine (CAS 924309-58-0)
- 4-formyl-1-methyl-1H-pyrrole-2-carbonitrile (CAS 119580-81-3)
- 2-(2-Methoxyethoxy)isoindoline-1,3-dione (CAS 54149-18-7)
- Pentoxifylline Impurity 18 (CAS 1185878-98-1)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
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