1-(2-Fluoroethyl)-3-methyl-1h-pyrazole CAS 1427023-74-2
| CAS No. | 1427023-74-2 |
| Molecular Formula | C6H9FN2 |
| Molecular Weight | 128.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H9FN2, 1-(2-Fluoroethyl)-3-methyl-1h-pyrazole contains a nitrile group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 128.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1-(2-Fluoroethyl)-3-methyl-1h-pyrazole (CAS 1427023-74-2), molecular formula C6H9FN2 and molecular weight 128.15 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C6H9FN2 |
| Molecular Weight | 128.15 g/mol |
| 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 Fluoroethyl Standards
- 1-(2-Fluoroethyl)-4-methyl-1H-pyrazole (CAS 1429418-52-9)
- 3-(1-fluoroethyl)oxetane-3-carbonitrile (CAS 2115759-90-3)
- 1-(2-Fluoroethyl)-1H-pyrazol-3-amine (CAS 1258863-98-7)
- 1-(2-Fluoroethyl)-1h-pyrazol-4-amine (CAS 1427021-88-2)
- 5-(1-Fluoroethyl)-1H-pyrazol-3-amine (CAS 1451391-06-2)
- 1-(2-Fluoroethyl)-1H-pyrazol-5-amine (CAS 689295-20-3)
- 1-(2-Fluoroethyl)cyclobutanecarbonitrile (CAS 1255147-57-9)
- 2-(2-fluoroethyl)cyclopentan-1-one (CAS 1531547-10-0)
Recommended Standards
- 2-Thioxo-2,3-dihydro-1H-imidazole-4-carbaldehyde (CAS 13953-95-2)
- 1,3-Thiazole-2-carbaldehyde oxime (CAS 13838-77-2)
- 1-(2-Fluoro-ethyl)-5-methyl-1h-pyrazole (CAS 1443279-14-8)
- 1-(1,2,3-Thiadiazol-5-yl)ethan-1-one (CAS 136918-88-2)
- 7-(tert-Butyl) 2-methyl 3-bromo-7-azabicyclo[2.2.1]hept-2-ene-2,7-dicarboxylate (CAS 197080-71-0)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-methyl-1-{[3-(trifluoromethyl)phenyl]methyl}-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 860789-10-2)
- 7-Chloro-3H-spiro[benzofuran-2,4'-piperidine] hydrochloride (CAS 89038-96-0)
- 5-(4-Chlorophenyl)-1-(2,4-dichloro-5-methoxyphenyl)-1H-tetrazole (CAS 338961-04-9)
- rel-(2S,3S)-1-Amino-2,3-dimethylcyclopropanecarboxylic acid (CAS 103348-90-9)
- 4-Amino-1-(3-methylphenyl)-2-pyrrolidinone hydrochloride (CAS 1269052-96-1)
- Dicyclobutylmethanone (CAS 4415-97-8)
- 1-[5-(4-fluorophenyl)-1,3-oxazol-2-yl]ethanamine hydrochloride (CAS 1266693-72-4)
- 2-Fluoro-N-((5-(furan-2-yl(hydroxy)methyl)thiophen-2-yl)methyl)benzamide (CAS 1787916-34-0)
- Tau Peptide (379-408) trifluoroacetate salt (CAS 1246357-53-8)
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