1-[(4-fluorophenyl)methyl]-1H-pyrazole-4-carbaldehyde CAS 1342979-38-7
| CAS No. | 1342979-38-7 |
| Molecular Formula | C11H9FN2O |
| Molecular Weight | 204.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H9FN2O, 1-[(4-fluorophenyl)methyl]-1H-pyrazole-4-carbaldehyde 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 204.20 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.
CATO supplies 1-[(4-fluorophenyl)methyl]-1H-pyrazole-4-carbaldehyde (CAS 1342979-38-7), a certified reference material (molecular formula C11H9FN2O, MW 204.20 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-[(4-fluorophenyl)methyl]-1H-pyrazole-4-carbaldehyde 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 | C11H9FN2O |
| Molecular Weight | 204.20 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related fluorophenyl Standards
- 1-(4-Fluorophenyl)-5-oxopyrrolidine-3-carbonitrile (CAS 1017458-39-7)
- 1-[(2-fluorophenyl)methyl]-1h-pyrazole-4-carbaldehyde (CAS 1044661-39-3)
- 1-(3-fluorophenyl)-3-methyl-1H-pyrazole-4-carbaldehyde (CAS 1143517-63-8)
- 1-(2-Fluorophenyl)-3-methyl-1h-pyrazole-4-carbaldehyde (CAS 1152505-24-2)
- 3-(3-Fluorophenyl)-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1152508-36-5)
- 1-(1-(4-Fluorophenyl)-1H-pyrazol-4-yl)ethan-1-one (CAS 1177283-25-8)
- 1-(1-(2-Fluorophenyl)-1H-pyrazol-4-yl)ethan-1-one (CAS 1177325-28-8)
- 6-(3-Fluorophenyl)pyrimidine-2,4-diamine (CAS 1247114-85-7)
Recommended Standards
- 2-Fluoro-5-(1-methyl-1H-pyrazol-5-yl)benzaldehyde (CAS 1341303-81-8)
- 2-Fluoro-4-(1-methyl-1h-pyrazol-5-yl)benzaldehyde (CAS 1343968-78-4)
- 7Lambda6-thia-1,3-diazaspiro[4.4]nonane-2,4,7,7-tetrone (CAS 1341069-95-1)
- (5-Fluoro-[2,3'-bipyridin]-5'-yl)methanol (CAS 1346686-91-6)
- Zeniplatin (CAS 111490-36-9)
- 5-(5,6-Dimethyl-1H-1,3-benzodiazol-2-yl)-1,2-dihydropyridin-2-one (CAS 860784-67-4)
- (3S)-3-aminobutanoic acid (3S)-3-aminobutyric acid (3S)-3-azanylbutanoic acid 3775-72-2 L-beta-homoalanine (CAS 3775-72-2)
- 2,3-Dihydro-2-oxo-1H-benzimidazole-1-butanoyl Chloride (CAS 1021910-67-7)
- N-(3-chlorobenzyl)-3-morpholinopropan-1-amine (CAS 626208-39-7)
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- Glucagon-like peptide 2 (CAS 89750-15-2)
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