2-[1-(4-fluorophenyl)-1h-pyrazol-3-yl]ethan-1-amine CAS 1354957-77-9
| CAS No. | 1354957-77-9 |
| Molecular Formula | C11H12FN3 |
| Molecular Weight | 205.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-[1-(4-fluorophenyl)-1h-pyrazol-3-yl]ethan-1-amine (CAS 1354957-77-9) is a high-purity analytical reference standard with the molecular formula C11H12FN3 and a molecular weight of 205.23 g/mol.
Structurally, 2-[1-(4-fluorophenyl)-1h-pyrazol-3-yl]ethan-1-amine (C11H12FN3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 205.23 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C11H12FN3 |
| Molecular Weight | 205.23 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related fluorophenyl Standards
- N-[(2-Fluorophenyl)methyl]-1-methyl-1H-pyrazol-4-amine (CAS 1006469-53-9)
- N-[(4-Fluorophenyl)methyl]-1-methyl-1H-pyrazol-4-amine (CAS 1006961-72-3)
- 1-(3-(4-Fluorophenyl)-1H-pyrazol-4-yl)-N-methylmethanamine (CAS 1007521-55-2)
- 2-(3-(4-Fluorophenyl)-1H-pyrazol-1-yl)ethan-1-amine (CAS 1020706-56-2)
- 3-Ethyl-4-(4-fluorophenyl)-1h-pyrazol-5-amine (CAS 1031699-69-0)
- 4-(3-Fluorophenyl)oxane-4-carbonitrile (CAS 1035261-79-0)
- 1-(1-(4-Fluorophenyl)-1H-pyrazol-4-yl)-N-methylmethanamine (CAS 1036711-13-3)
- 1-(1-(2-Fluorophenyl)-1H-pyrazol-4-yl)ethan-1-amine (CAS 1049988-71-7)
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