3-(4-((4-Ethoxyphenyl)sulfonyl)piperazin-1-yl)-6-(pyridin-3-yl)pyridazine CAS 946304-68-3
| CAS No. | 946304-68-3 |
| Molecular Formula | C21H23N5O3S |
| Molecular Weight | 425.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-((4-Ethoxyphenyl)sulfonyl)piperazin-1-yl)-6-(pyridin-3-yl)pyridazine is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(4-((4-Ethoxyphenyl)sulfonyl)piperazin-1-yl)-6-(pyridin-3-yl)pyridazine (CAS 946304-68-3) is a high-purity analytical reference standard with the molecular formula C21H23N5O3S and a molecular weight of 425.50 g/mol.
The molecular framework of 3-(4-((4-Ethoxyphenyl)sulfonyl)piperazin-1-yl)-6-(pyridin-3-yl)pyridazine (C21H23N5O3S) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(4-((4-Ethoxyphenyl)sulfonyl)piperazin-1-yl)-6-(pyridin-3-yl)pyridazine 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.
Physical & Chemical Properties
| Molecular Formula | C21H23N5O3S |
| Molecular Weight | 425.50 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Ethoxyphenyl Standards
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- N-(4-Ethoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775407-05-0)
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Recommended Standards
- 1-(2-Phenyl-4-tosyloxazol-5-yl)piperidine-4-carboxamide (CAS 823829-00-1)
- (19E)-4-fluoro-17,17-dimethyl-1,5,8,13,15,22,27-heptaazatetracyclo[20.2.2.1¹⁰,¹⁴.0²,⁷]heptacosa-2,4,6,10,12,14(27),19-heptaen-9-one (CAS 2227259-31-4)
- 4-Methoxy-N'-methyl-N'-(4-methyl-3-(methylsulfonyl)-6-phenylpyridin-2-yl)benzohydrazide (CAS 303986-72-3)
- 6-Methoxypyrimidin-2(1H)-one (CAS 18002-25-0)
- 4-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)picolinic acid (CAS 1803961-18-3)
- 4-(Cyclohexanecarboxamido)benzoic acid (CAS 180991-56-4)
- DAMPA Methyl Ester (CAS 23853-09-0)
- N5-Ethylpyrimidine-4,5-diamine (CAS 89488-76-6)
- 1-(2,5-Dichlorophenyl)-3-(m-tolyl)propan-1-one (CAS 898768-07-5)
- 2-(Boc-amino)-4,4-difluoro-1-butanol (CAS 1662681-20-0)
- 6-Methylisochromane (CAS 182949-71-9)
- (E)-N,N-dimethyl-6-(4-((2-methylhydrazono)methyl)phenyl)-4-(trifluoromethyl)pyridin-2-amine (CAS 1300019-70-8)
- 9-Trifluoromethyl-5,6,7,8-tetrahydro-pyrazolo-[5,1-b]quinazoline-2-carboxylic acid (CAS 436088-43-6)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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