(4Z)-1-(6-Chloropyridin-2-yl)-4-({[(2,6-dichlorophenyl)methoxy]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one CAS 320419-34-9
| CAS No. | 320419-34-9 |
| Molecular Formula | C16H11Cl3N4O2 |
| Molecular Weight | 397.64 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.
CATO supplies (4Z)-1-(6-Chloropyridin-2-yl)-4-({[(2,6-dichlorophenyl)methoxy]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 320419-34-9), a certified reference material (molecular formula C16H11Cl3N4O2, MW 397.64 g/mol) for analytical method development and quality control.
Based on its molecular formula C16H11Cl3N4O2, (4Z)-1-(6-Chloropyridin-2-yl)-4-({[(2,6-dichlorophenyl)methoxy]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 397.64 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.
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 | C16H11Cl3N4O2 |
| Molecular Weight | 397.64 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, 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Z Standards
- 2-(2-Chloropyridin-3-yl)-5,6-dimethyl-1-[(4-nitrophenyl)methyl]-1H-1,3-benzodiazole (CAS 866051-55-0)
- (3E)-3-({4-[(6-chloropyridin-3-yl)methoxy]-3-methoxyphenyl}methylidene)-2,3-dihydro-1H-indol-2-one (CAS 861207-72-9)
- N-(4-Chloropyridin-2-yl)-1,1,1-trifluoro-N-((trifluoromethyl)sulfonyl)methanesulfonamide (CAS 1027235-95-5)
- (R)-5-(((4-((5-Chloropyridin-2-yl)oxy)piperidin-1-yl)sulfonyl)methyl)-5-methylimidazolidine-2,4-dione (CAS 459814-90-5)
- (2-Chloropyridin-3-yl)bis(2-(methylthio)pyrimidin-4-yl)methanol (CAS 330823-21-7)
- (4Z)-1-(6-Chloropyridin-2-yl)-4-{[(4-phenoxyphenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 320419-26-9)
- 6-(4-(6-Chloropyridin-2-yl)piperazin-1-yl)-3-cyclohexylpyrimidine-2,4(1H,3H)-dione (CAS 339012-75-8)
- 2-(2-Chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole (CAS 338411-20-4)
Recommended Standards
- (1-(3,4-Dichlorophenyl)-1H-1,2,3-triazol-4-yl)methyl (3-chlorophenyl)carbamate (CAS 338419-45-7)
- (Z)-1-(4-chlorobenzyl)-3-((2,2-dichloroacetoxy)imino)indolin-2-one (CAS 400076-73-5)
- C6 Ceramide (CAS 124753-97-5)
- [5-(2-Chlorophenyl)-1,2-oxazol-3-yl]methyl N-(2,4-dichlorophenyl)carbamate (CAS 343374-51-6)
- 2-(((Benzyloxy)carbonyl)amino)thiazole-4-carboxylic acid (CAS 885953-56-0)
- (2-Chloro-3-methylphenyl)methanamine (CAS 1044256-78-1)
- 1-(4-Aminophenyl)-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 86215-68-1)
- Empagliflozin impurity 01 (CAS 95574-97-3)
- 1-Chloro-5-ethoxypentane (CAS 60905-54-6)
- Methyl thietan-3-yl-L-alaninate (CAS 1846715-95-4)
- 1-Chloro-4-(piperidin-1-yl)phthalazine (CAS 314035-82-0)
- (R)-4,5-Dichloro-2,3-dihydro-1H-inden-1-amine (CAS 1241684-12-7)
- Methyl 5-[(dimethylamino)carbonyl]-2-isothiocyanato-4-methylthiophene-3-carboxylate (CAS 667436-03-5)
- Peptide Impurity 26 (CAS 1350456-66-4)
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