1-(2-Fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one CAS 1152564-73-2
| CAS No. | 1152564-73-2 |
| Molecular Formula | C12H13FN2O |
| Molecular Weight | 220.24 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.
1-(2-Fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one (CAS 1152564-73-2) is a high-purity analytical reference standard with the molecular formula C12H13FN2O and a molecular weight of 220.24 g/mol.
Based on its molecular formula C12H13FN2O, 1-(2-Fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.24 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.
Physical & Chemical Properties
| Molecular Formula | C12H13FN2O |
| Molecular Weight | 220.24 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.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorophenyl Standards
- (1-(4-Fluorophenyl)-3,5-dimethyl-1H-pyrazol-4-yl)methanol (CAS 1015525-16-2)
- 7a-(4-Fluorophenyl)-hexahydro-1H-pyrrolo[1,2-a]imidazol-5-one (CAS 1018567-85-5)
- 1-(4-Fluorophenyl)-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1049156-67-3)
- 1-(2-Fluorophenyl)-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1092295-70-9)
- 1-(4-Fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one (CAS 118049-03-9)
- 1-(4-Fluorophenyl)-1-(1-methyl-1H-imidazol-2-yl)ethan-1-ol (CAS 122155-48-0)
- 5-(4-Fluorophenyl)-2-(propan-2-yl)-2,3-dihydro-1h-pyrazol-3-one (CAS 1221725-83-2)
- 1-(3-Fluorophenyl)-3-(propan-2-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 1247737-11-6)
Recommended Standards
- [4-(3,5-dimethyl-1h-pyrazol-1-yl)-3-fluorophenyl]methanol (CAS 1152531-24-2)
- 5-(4-Hydroxyphenyl)thiophene-2-carboxylic Acid (CAS 116016-57-0)
- 6-Fluorospiro[chromane-2,1'-cyclopentan]-4-one (CAS 111478-02-5)
- 4-Fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole (CAS 1178903-32-6)
- 4-Methylcatechol (CAS 452-86-8)
- (3R,4S)-1-tert-butyl 3-ethyl 4-aminopyrrolidine-1,3-dicarboxylate (CAS 895243-98-8)
- 3-Fluoro-N-(1-methoxypropan-2-yl)-2-methylaniline (CAS 1247859-87-5)
- 1-(3-Bromophenyl)-3-(cyclopropylmethyl)urea (CAS 1209975-39-2)
- 4-Chloro-2-(phenylsulfanyl)-1,3-thiazole-5-carbaldehyde (CAS 199851-23-5)
- (1S,2S)-2-fluorocyclohexan-1-amine (CAS 1202171-77-4)
- 2-Ethoxy-5-nitrobenzonitrile (CAS 29669-41-8)
- N-[3-(1,3-Benzoxazol-2-yl)-4-fluorophenyl]-4-methylbenzamide (CAS 685108-48-9)
- 3-amino-2-methyl-propanenitrile (CAS 96-16-2)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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