4-(3-Chlorophenyl)-6-(4-methoxyphenyl)-2-(2-morpholinoethyl)pyridazin-3(2H)-one CAS 23338-38-7
| CAS No. | 23338-38-7 |
| Molecular Formula | C23H24ClN3O3 |
| Molecular Weight | 425.91 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-(3-Chlorophenyl)-6-(4-methoxyphenyl)-2-(2-morpholinoethyl)pyridazin-3(2H)-one.
4-(3-Chlorophenyl)-6-(4-methoxyphenyl)-2-(2-morpholinoethyl)pyridazin-3(2H)-one (CAS 23338-38-7) is a high-purity analytical reference standard with the molecular formula C23H24ClN3O3 and a molecular weight of 425.91 g/mol.
Structurally, 4-(3-Chlorophenyl)-6-(4-methoxyphenyl)-2-(2-morpholinoethyl)pyridazin-3(2H)-one (C23H24ClN3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 425.91 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
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 | C23H24ClN3O3 |
| Molecular Weight | 425.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 2-(2-Chlorophenyl)-1-(4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)ethan-1-one (CAS 1775328-39-6)
- 4-(4-Chlorophenyl)-6-(4-methoxyphenyl)-2-(2-morpholinoethyl)pyridazin-3(2H)-one (CAS 23338-53-6)
- N-(5-(3-(2-Chlorophenyl)acryloyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrazine-2-carboxamide (CAS 1351663-87-0)
- N1-(3-(2-Chlorophenyl)-5-methyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidin-7-yl)-N2,N2-diethylethane-1,2-diamine (CAS 1015598-30-7)
- 5-((3-(4-Chlorophenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-ethyl-2-thioxothiazolidin-4-one (CAS 371773-71-6)
- 4-((4-Chlorophenyl)(cyano)methyl)-2,5-difluoro-N-(thiazol-2-yl)benzenesulfonamide (CAS 1799412-44-4)
- (4-(4-Chlorophenyl)piperazin-1-yl)(6-(trifluoromethyl)thieno[3,2-b]pyridin-2-yl)methanone (CAS 303997-59-3)
- Methyl 3-(2-chlorophenyl)-5-[1-(4-nitrophenyl)-1H-1,2,3-triazol-4-yl]-1,2-oxazole-4-carboxylate (CAS 477890-11-2)
Recommended Standards
- (E)-2-((4-chlorobenzylidene)amino)-1-(4-methoxybenzyl)-4-phenyl-1H-pyrrole-3-carbonitrile (CAS 338397-39-0)
- tert-Butyl 4-((5-(2-chloroacetamido)-1,3,4-thiadiazol-2-yl)sulfonyl)piperazine-1-carboxylate (CAS 1951444-48-6)
- Ethyl 3-(N-(3-chloro-4-methoxyphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate (CAS 932464-56-7)
- 1775431-22-5 2-(3-chloro-4-methoxyphenyl)-1-{4-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]piperidin-1-yl}ethan-1-one BS-8217 (CAS 1775431-22-5)
- 4-[2-(4-Piperidinyl)ethyl]-2-piperazinonedihydrochloride (CAS 1219957-79-5)
- 2-((1-Methyl-3,5-diphenyl-1H-pyrazol-4-yl)oxy)ethanol (CAS 60627-63-6)
- 1-[(Benzyloxy)carbonyl]-2-indolinecarboxylic Acid (CAS 117483-89-3)
- CAS 2797598-85-5 (CAS 2797598-85-5)
- 2-Bromo-1-(3-methyl-2-benzofuranyl)ethanone (CAS 67382-14-3)
- (4-Amino-2-methyl-phenyl)-carbamic acid tert-butyl ester (CAS 325953-40-0)
- 3-Amino-4-(naphthalen-2-ylamino)-4-oxobutanoic acid (CAS 17139-56-9)
- Phenyl mercuric phthalate (CAS 84-70-8)
- 3716-64-1 1-(1-Adamantyl)azepan-2-one MFCD01882091 (CAS 3716-64-1)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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