1-(2,2,2-Trifluoroethyl)-1h-pyrazole CAS 1053167-24-0
| CAS No. | 1053167-24-0 |
| Molecular Formula | C5H5F3N2 |
| Molecular Weight | 150.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 150.10 g/mol gives 1-(2,2,2-Trifluoroethyl)-1h-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(2,2,2-Trifluoroethyl)-1h-pyrazole (CAS 1053167-24-0), a certified reference material (molecular formula C5H5F3N2, MW 150.10 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H5F3N2, 1-(2,2,2-Trifluoroethyl)-1h-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 150.10 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H5F3N2 |
| Molecular Weight | 150.10 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.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Trifluoroethyl Standards
- 4-(2,2,2-Trifluoroethyl)-1H-pyrazole (CAS 1211529-61-1)
- 3-(2,2,2-Trifluoroethyl)-1H-pyrazole (CAS 1946822-36-1)
- 1-(2,2,2-Trifluoroethyl)-1h-imidazole (CAS 91461-55-1)
- 1-(2,2,2-Trifluoroethyl)-1H-1,2,4-triazole (CAS 1340049-32-2)
- 5-(2,2,2-Trifluoroethyl)-1H-1,2,4-triazole (CAS 2675491-30-0)
- 3-(2,2,2-Trifluoroethyl)-2,5-dihydro-1H-pyrrole (CAS 1895856-54-8)
- 4-(2,2,2-Trifluoroethyl)azetidin-2-one (CAS 1354963-56-6)
- n-(2,2,2-Trifluoroethyl)cyclobutanamine (CAS 1116744-54-7)
Recommended Standards
- 3-Methyl-5-(trifluoromethyl)pyrazole (CAS 10010-93-2)
- Tartaric Acid (CAS 526-83-0)
- alpha-Ketoglutaric acid-[13C2,d2] (CAS 123953-28-6)
- L-(+)-Tartaric Acid (CAS 87-69-4)
- {1-[5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl]pyrrolidin-3-yl}methanol (CAS 1421325-54-3)
- tert-butyl 4'-oxo-3',4'-dihydro-1H,1'H-spiro[piperidine-4,2'-quinazoline]-1-carboxylate (CAS 1000356-55-7)
- 2-Amino-3-chloro-4-fluorobenzoic acid (CAS 1855799-43-7)
- 2,3-Dimethyl-N-(pyridin-4-ylmethyl)aniline (CAS 1021115-70-7)
- 2-Acetyl-4-nitroisoindoline-1,3-dione (CAS 6637-55-4)
- 2-Bromo-4-methyloxazole-5-carbonitrile (CAS 1823375-05-8)
- Methyl 3-(3-carbamoyl-1H-pyrazol-1-yl)propanoate (CAS 1344367-47-0)
- 8-(Allylamino)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (CAS 302801-95-2)
- (S)-1,1,1-Trifluorododecan-2-ol (CAS 138329-46-1)
- Cyclolinopeptide B (CAS 193139-41-2)
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