4-(4-Chlorophenyl)-6-(m-tolyl)-4,5-dihydropyridazin-3(2H)-one CAS 344282-50-4
| CAS No. | 344282-50-4 |
| Molecular Formula | C17H15ClN2O |
| Molecular Weight | 298.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(4-Chlorophenyl)-6-(m-tolyl)-4,5-dihydropyridazin-3(2H)-one.
CATO supplies 4-(4-Chlorophenyl)-6-(m-tolyl)-4,5-dihydropyridazin-3(2H)-one (CAS 344282-50-4), a certified reference material (molecular formula C17H15ClN2O, MW 298.77 g/mol) for analytical method development and quality control.
Structurally, 4-(4-Chlorophenyl)-6-(m-tolyl)-4,5-dihydropyridazin-3(2H)-one (C17H15ClN2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 298.77 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C17H15ClN2O |
| Molecular Weight | 298.77 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 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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- (3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(phenyl)methanone (CAS 159799-39-0)
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Recommended Standards
- 4-(2-(5-Chlorobenzo[d]oxazol-2-yl)vinyl)-N,N-dimethylaniline (CAS 69642-56-4)
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- 4-((N,N-dimethylsulfamoyl)amino)benzenesulfonyl chloride (CAS 881005-34-1)
- 4-(Chloromethyl)-3-(4-methoxyphenyl)-1-phenyl-1H-pyrazole (CAS 873312-85-7)
- 5-(Difluoromethyl)-2-methoxyaniline (CAS 1261676-27-0)
- 4-(2-(Tert-butoxy)ethyl)piperidine (CAS 184042-67-9)
- 3-Chloro-4-[(2,4-dichlorobenzyl)oxy]benzaldehyde (CAS 433242-78-5)
- 4-(((4-Isopropylphenyl)amino)methyl)-N,N-dimethylaniline (CAS 400858-39-1)
- (1H-benzo[d][1,2,3]triazol-1-yl)methyl 4-methylbenzenesulfonate (CAS 302931-53-9)
- Methyl 7-bromo-2,4-dichloro-8-fluoroquinazoline-6-carboxylate (CAS 2773313-28-1)
- 2-Amino-N-(4-(4-methylpiperazin-1-yl)phenyl)benzamide (CAS 1018500-15-6)
- 2-amino-N-[3-(pyrrolidin-1-yl)phenyl]propanamide (CAS 1218334-66-7)
- 3-[4-(2-Methoxyphenoxy)pyrimidin-2-yl]benzoic acid (CAS 1170564-11-0)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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