1-(4-Fluorophenyl)-3-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde CAS 61619-69-0
| CAS No. | 61619-69-0 |
| Molecular Formula | C14H8FN3O4 |
| Molecular Weight | 301.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(4-Fluorophenyl)-3-(5-nitrofuran-2-yl)-1H-pyrazole-4-carbaldehyde (CAS 61619-69-0), molecular formula C14H8FN3O4 and molecular weight 301.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H8FN3O4, 1-(4-Fluorophenyl)-3-(5-nitrofuran-2-yl)-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 301.23 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).
As a certified reference material (CRM), 1-(4-Fluorophenyl)-3-(5-nitrofuran-2-yl)-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 | C14H8FN3O4 |
| Molecular Weight | 301.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 2-((4-(4-Fluorophenyl)-6-(trifluoromethyl)pyrimidin-2-yl)oxy)ethan-1-amine (CAS 1160246-45-6)
- 1-(4-Fluorophenyl)-3,7-dimethyl-4-oxo-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1031605-67-0)
- 2-(5-(2-Fluorophenyl)isoxazol-3-yl)-N-(5-methylisoxazol-3-yl)acetamide (CAS 1105217-16-0)
- N-((5-(4-Fluorophenyl)isoxazol-3-yl)methyl)-5-methylisoxazole-3-carboxamide (CAS 1208844-79-4)
- N-((5-(2-Fluorophenyl)isoxazol-3-yl)methyl)-5-methylisoxazole-3-carboxamide (CAS 1210177-49-3)
- 1242909-55-2 2-(4-Fluorophenyl)-3,8-dioxo-2,3,5,6,7,8-hexahydroisoquinoline-4-carboxylic acid (CAS 1242909-55-2)
- 3-(2-(4-Fluorophenyl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)propanoic acid (CAS 1255784-47-4)
- 1-(4-Fluorophenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid (CAS 933742-90-6)
Recommended Standards
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenethyl)pyrrolidine (CAS 942921-91-7)
- 1,1,1,3,3,3-Hexafluoro-2-(4-(propylamino)phenyl)propan-2-ol (CAS 874479-45-5)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperidine (CAS 859833-22-0)
- 2-((4-Bromobenzyl)thio)-5-methyl-1,3,4-thiadiazole (CAS 42755-33-9)
- n-(Benzo[d][1,3]dioxol-5-yl)-2-cyanoacetamide (CAS 142555-09-7)
- N-(5-Isopropyl-1H-1,2,4-triazol-3-yl)-2-methylpropanamide (CAS 1160264-38-9)
- Diethyl ((5-bromopyridin-2-yl)methyl)phosphonate (CAS 380893-73-2)
- 4-(2,3,4-Trimethoxyphenyl)butan-2-ol (CAS 1478671-31-6)
- 1-(3-Ethoxypropyl)-4-thioxo-1,3,4,5,6,7-hexahydro-2H-cyclopenta[d]pyrimidin-2-one (CAS 920158-41-4)
- 1-(Pentafluorophenyl)-1h-pyrazol-3-amine (CAS 1307462-59-4)
- 2-Acetamido-3-fluorobenzoic acid (CAS 550346-18-4)
- 2-Bromo-5-(bromomethyl)-3-chloro-6-(difluoromethyl)pyridine (CAS 1805007-38-8)
- Z,Z-Dienestrol-d6 (CAS 91297-99-3)
- D-Ile12-Tirzepatide (CAS CATO-CPTD788921)
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