3-(Bromodifluoromethyl)-1-methyl-1H-pyrazole CAS 2060041-54-3
| CAS No. | 2060041-54-3 |
| Molecular Formula | C5H5BrF2N2 |
| Molecular Weight | 211.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.01 g/mol gives 3-(Bromodifluoromethyl)-1-methyl-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(Bromodifluoromethyl)-1-methyl-1H-pyrazole (CAS 2060041-54-3), molecular formula C5H5BrF2N2 and molecular weight 211.01 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, fluorine/bromine substitution, 3-(Bromodifluoromethyl)-1-methyl-1H-pyrazole is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 3-(Bromodifluoromethyl)-1-methyl-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 | C5H5BrF2N2 |
| Molecular Weight | 211.01 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.) | 1997 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromodifluoromethyl Standards
- 3-(Bromodifluoromethyl)-5-methyl-1H-pyrazole (CAS 1884457-49-1)
- 1-(Bromodifluoromethyl)cyclohexene (CAS 117711-60-1)
- (Bromodifluoromethyl)benzene (CAS 83170-17-6)
- (Bromodifluoromethyl)trimethylsilane (CAS 115262-01-6)
- 3-(Bromodifluoromethyl)fluorobenzene (CAS 749932-19-2)
- 5-(Bromodifluoromethyl)-2,3-dihydro-1H-1,4-diazepine (CAS 207113-14-2)
- 1-(Bromodifluoromethyl)-1H-imidazole (CAS 328406-16-2)
- 3-(Bromodifluoromethyl)pyrazole (CAS 2044797-26-2)
Recommended Standards
- 2-Bromopentanedioic acid (CAS 51528-22-4)
- 3-(Bromomethyl)-1-(difluoromethyl)-1H-pyrazole (CAS 2435553-73-2)
- 2-Bromo-3-methylsuccinic acid (CAS 7405-17-6)
- 5-Bromo-3-(difluoromethyl)-1-methyl-1H-pyrazole (CAS 2248389-97-9)
- 4-Bromo-1-(difluoromethyl)pyridin-2(1H)-one (CAS 832735-57-6)
- Butyl(cyclohept-1-en-1-yl)sulfane (CAS 121720-67-0)
- 2-(Pyrrolidine-1-sulfonyl)-ethylamine 2-(pyrrolidin-1-ylsulfonyl)ethanamine 31644-52-7 (CAS 31644-52-7)
- [2-(1,3-Dioxolan-2-yl)-1,3-thiazol-4-yl]methanol (CAS 2091750-70-6)
- 1-(Phenylamino)propan-2-one (CAS 4504-29-4)
- 2,3-Dichloro-6-(difluoromethyl)pyridine-4-acetic acid (CAS 1805051-88-0)
- 5-Amino-5-phenylpentanenitrile hydrochloride (CAS 1803586-49-3)
- Ethyl 4-hydroxy-8-methoxy-2-methylquinoline-3-carboxylate (CAS 88960-42-3)
- (2S)-2-(4-Fluorophenyl)oxirane (CAS 134356-74-4)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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