4-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzene-1-sulfonic acid CAS 33098-23-6
| CAS No. | 33098-23-6 |
| Molecular Formula | C10H6Cl2N2O4S |
| Molecular Weight | 321.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 321.14 g/mol gives 4-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzene-1-sulfonic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzene-1-sulfonic acid (CAS 33098-23-6), a certified reference material (molecular formula C10H6Cl2N2O4S, MW 321.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H6Cl2N2O4S, 4-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzene-1-sulfonic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 321.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 4-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)benzene-1-sulfonic acid 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 | C10H6Cl2N2O4S |
| Molecular Weight | 321.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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