3-(5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one CAS 478077-59-7
| CAS No. | 478077-59-7 |
| Molecular Formula | C17H16ClN5OS |
| Molecular Weight | 373.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one (CAS 478077-59-7), a certified reference material (molecular formula C17H16ClN5OS, MW 373.86 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H16ClN5OS, 3-(5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)-1-(4-chlorophenyl)pyridazin-4(1H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 373.86 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C17H16ClN5OS |
| Molecular Weight | 373.86 g/mol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Allylthio Standards
- 3-(Allylthio)-5-(2,2-dimethoxyethyl)-4-(3-(trifluoromethyl)phenyl)-4H-1,2,4-triazole (CAS 303995-36-0)
- N-((5-(allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)methyl)-4-chlorobenzenesulfonamide (CAS 338422-04-1)
- 4-(2-(Allylthio)-7,9-dimethylpyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)morpholine (CAS 672950-70-8)
- 2-(Allylthio)-5-(4-bromophenyl)-1-(furan-2-ylmethyl)-1H-imidazole (CAS 1207041-55-1)
- 2-(Allylthio)-1-(4-(difluoromethoxy)phenyl)-5-(p-tolyl)-1H-imidazole (CAS 1226455-63-5)
- 2-(Allylthio)-5-(4-bromophenyl)-1-phenyl-1H-imidazole (CAS 1207011-89-9)
- 6-((5-(Allylthio)-4-ethyl-4H-1,2,4-triazol-3-yl)methoxy)-2-phenylpyridazin-3(2H)-one (CAS 692737-12-5)
- N-((5-(allylthio)-4-phenyl-4H-1,2,4-triazol-3-yl)methyl)-4-fluorobenzamide (CAS 478049-08-0)
Recommended Standards
- 2-Chloro-4-(dibenzo[b,d]thiophen-3-yl)-6-phenyl-1,3,5-triazine (CAS 2172889-29-9)
- 4-(2-Chlorophenyl)-N,N-dimethyl-5-(phenylsulfonyl)pyrimidin-2-amine (CAS 339107-53-8)
- 2-{[5-(4-chlorophenyl)-4-(4-methylphenyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 893726-11-9)
- 4-(4-Chlorophenyl)-N,N-dimethyl-5-(phenylsulfonyl)pyrimidin-2-amine (CAS 339097-54-0)
- N-Nitroso N-Methyl-4-Amino-Butanal (CAS 339362-86-6)
- Tetracosamethyl-cyclododecasiloxane (CAS 18919-94-3)
- 3-(3-Bromo-5-methoxyphenyl)propanenitrile (CAS 1447606-63-4)
- 5-[4-(Cyclopropylmethoxy)phenyl]-2-thiophenecarboxylic acid (CAS 927802-45-7)
- N-[(1R,2R)-2-Aminocyclohexyl]-N'-[(8α,9S)-cinchonan-9-ylthiourea (CAS 1052184-44-7)
- 1-(3,4-Dichlorobenzyl)-1H-pyrazol-4-ol (CAS 1594575-48-0)
- 1-Cyclohexyl-4-isocyanatobenzene (CAS 191722-72-2)
- 2,3,4,5-Tetrabromoaniline (CAS 24339-58-0)
- N-(3,4-Dichlorophenyl)acetamide (CAS 2150-93-8)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com