1-Butyl-3-(trifluoromethyl)-1H-pyrazole CAS 1426958-36-2
| CAS No. | 1426958-36-2 |
| Molecular Formula | C8H11F3N2 |
| Molecular Weight | 192.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 192.18 g/mol gives 1-Butyl-3-(trifluoromethyl)-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Butyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1426958-36-2), molecular formula C8H11F3N2 and molecular weight 192.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H11F3N2, 1-Butyl-3-(trifluoromethyl)-1H-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.18 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-Butyl-3-(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 | C8H11F3N2 |
| Molecular Weight | 192.18 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.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- (4-Trifluoromethyl-piperidin-1-yl)-acetonitrile (CAS 1416352-13-0)
- 4-(Trifluoromethyl)benzyl mercaptan (CAS 108499-24-7)
- 2-Methyl-5-(trifluoromethyl)benzenethiol (CAS 1429056-31-4)
- (2-(Trifluoromethyl)phenyl)methanethiol (CAS 26039-98-5)
- (3-(Trifluoromethyl)phenyl)methanethiol (CAS 25697-55-6)
- 4-Trifluoromethyl thioanisole (CAS 329-14-6)
- Benzyl(trifluoromethyl)sulfane (CAS 351-60-0)
- Methyl(2-(trifluoromethyl)phenyl)sulfane (CAS 322-58-7)
Recommended Standards
- 1-Isobutyl-3-(trifluoromethyl)-1H-pyrazole (CAS 1437795-15-7)
- 1-(tert-Butyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 1269292-12-7)
- 2,2-Difluoro-2-(5-methylthiophen-3-yl)acetic acid (CAS 1462248-74-3)
- ((3aR,5R,6R,6aS)-6-Fluoro-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)methanol (CAS 1101107-87-2)
- 3-(2,3-Dihydro-1-benzofuran-7-yl)propanoic acid (CAS 1251468-51-5)
- N-(2-Methoxyethyl)-2-(4-methylphenoxy)-1-butanamine (CAS 1040686-90-5)
- 5-Bromo-3-indolecarboxylic Acid (CAS 10406-06-1)
- 5-Bromo-4-chloro-7-methoxyindoline-2,3-dione (CAS 3028-61-3)
- Sulfaquinoxaline-13C6 (CAS 1202864-52-5)
- 2-(1-(4-Ethoxyphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)acetic acid (CAS 1268094-73-0)
- 5-Fluoro-3-(piperidin-4-yl)quinolin-2(1H)-one (CAS 885654-39-7)
- Hexanedioic acid, polymer with 2,2-dimethyl-1,3-propanediol and 3-mercaptopropanoic acid (CAS 70776-85-1)
- 1-(2-Chloro-4-(methylsulfonyl)phenyl)piperazine (CAS 849035-72-9)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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