6-(4-Chlorophenyl)-4-(4-fluorophenyl)-4,5-dihydropyridazin-3(2H)-one CAS 344282-47-9
| CAS No. | 344282-47-9 |
| Molecular Formula | C16H12ClFN2O |
| Molecular Weight | 302.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 6-(4-Chlorophenyl)-4-(4-fluorophenyl)-4,5-dihydropyridazin-3(2H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
6-(4-Chlorophenyl)-4-(4-fluorophenyl)-4,5-dihydropyridazin-3(2H)-one (CAS 344282-47-9), molecular formula C16H12ClFN2O and molecular weight 302.73 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 6-(4-Chlorophenyl)-4-(4-fluorophenyl)-4,5-dihydropyridazin-3(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 302.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12ClFN2O |
| Molecular Weight | 302.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- N-((5-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)methyl)-4-fluoroaniline (CAS 1171359-35-5)
- N-((5-(3-Chlorophenyl)-1H-1,2,4-triazol-3-yl)methyl)-4-fluoroaniline (CAS 1171939-88-0)
- (5-(3-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine (CAS 1707375-92-5)
- (5-(4-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine (CAS 1707566-70-8)
- (5-(2-Chlorophenyl)-1H-1,2,4-triazol-3-yl)(4-fluorophenyl)methanamine (CAS 1707735-74-7)
- (4-Chlorophenyl)(5-(2-fluorophenyl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1708428-77-6)
- (4-Chlorophenyl)(5-(4-fluorophenyl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1710674-89-7)
- (1-(2-Chlorophenyl)-3-(4-fluorophenyl)-1H-pyrazol-4-yl)methanol (CAS 618444-57-8)
Recommended Standards
- 4-(4-Chlorophenyl)-6-(3-fluorophenyl)-2,3,4,5-tetrahydropyridazin-3-one (CAS 866143-47-7)
- n-[4-(chloromethyl)-1,3-thiazol-2-yl]-n-(2,4-difluorophenyl)acetamide (CAS 854035-85-1)
- 4-(4-Chlorophenyl)-6-(2-fluorophenyl)-2,3,4,5-tetrahydropyridazin-3-one (CAS 339013-91-1)
- Hydrochlorothiazide-15N2-13C-d2 (CAS 2140316-81-8)
- 56952-01-3 (2R)-2,3-Bis[(~2~H_35_)octadecanoyloxy]propyl 2-(trimethylazaniumyl)ethyl phosphate DTXSID60677035 (CAS 56952-01-3)
- N6-Methylquinoxaline-5,6-diamine (CAS 888037-23-8)
- Tert-butyl 5-(aminomethyl)-2,3-dihydro-1h-isoindole-2-carboxylate (CAS 885271-40-9)
- 1-Methyl-piperidine-3-thiol (CAS 98278-56-9)
- 2-Methyl-5-oxo-4-(3,4,5-trimethoxyphenyl)-5H-indeno[1,2-b]pyridine-3-carbonitrile (CAS 371203-61-1)
- 7-Methyl-4H-[1,2,5]oxadiazolo[3,4-b][1,4]diazepin-5(6H)-one (CAS 300588-18-5)
- 4-Nitrophenyl 4-6-O-benzylidene-α-D-mannopyranoside (CAS 58056-41-0)
- 2-[1-(aminomethyl)cyclobutyl]acetic acid hydrochloride (CAS 223425-82-9)
- 3-Cyclopropyl-4-methyl-5,6,7,8-tetrahydro-5,8-methanocinnoline (CAS 918874-91-6)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com