3-(Bromomethyl)-5-(trifluoromethyl)-1H-pyrazole CAS 69918-48-5
| CAS No. | 69918-48-5 |
| Molecular Formula | C5H4BrF3N2 |
| Molecular Weight | 229.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Bromomethyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 69918-48-5) is a high-purity analytical reference standard with the molecular formula C5H4BrF3N2 and a molecular weight of 229.00 g/mol.
Based on its molecular formula C5H4BrF3N2, 3-(Bromomethyl)-5-(trifluoromethyl)-1H-pyrazole contains a nitrile group, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 229.00 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.
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-(Bromomethyl)-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 | C5H4BrF3N2 |
| Molecular Weight | 229.00 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.) | 1976 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromomethyl Standards
- 3-(Bromomethyl)-1-(trifluoromethyl)-1H-pyrazole (CAS 2803856-21-3)
- 2-(Bromomethyl)-5-(trifluoromethyl)furan (CAS 17515-77-4)
- 2-(bromomethyl)-4-(trifluoromethyl)furan (CAS 26431-57-2)
- 3-(Bromomethyl)-5-fluorobenzofuran (CAS 1819997-33-5)
- (3R)-3-(Bromomethyl)-2,3-dihydro-1,4-benzodioxine (CAS 1142953-55-6)
- 2-[3-(Bromomethyl)phenyl]acetic Acid (CAS 118647-53-3)
- 2-(Bromomethyl)phenylacetic Acid (CAS 13737-35-4)
- (S)-2-(Bromomethyl)-2,3-dihydrobenzo[b][1,4]dioxine (CAS 1618132-41-4)
Recommended Standards
- 3-Bromo-4-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 2641466-38-6)
- 2-Bromo-1-methyl-4-(trifluoromethyl)-1H-imidazole (CAS 2708280-99-1)
- 4-Bromo-1-methyl-2-(trifluoromethyl)-1H-imidazole (CAS 2750603-21-3)
- 5-BROMO-1-METHYL-4-(TRIFLUOROMETHYL)-1H-IMIDAZOLE (CAS 1823319-73-8)
- 1-Benzyl 4-(tert-butyl) (R)-5-methyl-1,4-diazepane-1,4-dicarboxylate (CAS 1030377-25-3)
- (1R,2R,4S)-bicyclo[2.2.1]Heptane-2-carboxylic acid (CAS 2566-58-7)
- Formic-d1 Acid (95% w/w in H2O) (CAS 917-71-5)
- n-Hexadecyl-d33-trimethylammonium Bromide (CAS 347841-42-3)
- Amikacin Sulfate (CAS 39831-55-5)
- Methyl 4-fluoropyrimidine-2-carboxylate (CAS 1806489-74-6)
- 3-Methyl-1-(4-piperidinylmethyl)piperidinedihydrochloride (CAS 1172842-00-0)
- 2-bromo-2-(3-chlorophenyl)acetic acid (CAS 3381-74-6)
- N-[(1E)-{[(2-chloro-4-fluorophenyl)methoxy]imino}methyl]-2-(3,3-dimethyl-2-oxoazetidin-1-yl)-3-phenylpropanamide (CAS 338748-55-3)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com