3-(4-((2-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(3-methyl-1H-pyrazol-1-yl)pyridazine CAS 1013757-10-2
| CAS No. | 1013757-10-2 |
| Molecular Formula | C18H19ClN6O2S |
| Molecular Weight | 418.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H19ClN6O2S, 3-(4-((2-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(3-methyl-1H-pyrazol-1-yl)pyridazine contains a steroid core, 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 418.90 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).
CATO supplies 3-(4-((2-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(3-methyl-1H-pyrazol-1-yl)pyridazine (CAS 1013757-10-2), a certified reference material (molecular formula C18H19ClN6O2S, MW 418.90 g/mol) for analytical method development and quality control.
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 | C18H19ClN6O2S |
| Molecular Weight | 418.90 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 3-(4-((4-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(3-methyl-1H-pyrazol-1-yl)pyridazine (CAS 1014025-88-7)
- 4-(4-((3-Chlorophenyl)sulfonyl)piperazin-1-yl)-6-(2-methyl-1H-imidazol-1-yl)pyrimidine (CAS 1171913-46-4)
- 2-(((4-(4-Chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)methyl)-1H-benzo[d]imidazole (CAS 573707-75-2)
- 2-{[(2-chlorophenyl)methyl]sulfanyl}-4-(2,4-difluorophenoxy)-5,6,7,8-tetrahydroquinazoline (CAS 339019-34-0)
- 4-[(2E)-3-(2-Chlorophenyl)prop-2-enoyl]phenyl 4-tert-butylbenzoate (CAS 331461-31-5)
- N-(2-chlorophenyl)-7-phenyl-7H-benzo[a]carbazol-9-amine (CAS 1800022-01-8)
- Methyl 2-((2-((4-(2-chlorophenyl)thiazol-2-yl)amino)-2-oxoethyl)thio)benzoate (CAS 338965-71-2)
- Methyl 2-[({[4-(4-chlorophenyl)-1,3-thiazol-2-yl]carbamoyl}methyl)sulfanyl]benzoate (CAS 338959-64-1)
Recommended Standards
- (E)-2-(cyclohexylthio)-5-nitrobenzaldehyde O-(4-chlorobenzoyl) oxime (CAS 331461-98-4)
- N-(5-chloro-2-methoxyphenyl)-2-(3,5-diphenyl-1H-1,2,4-triazol-1-yl)acetamide (CAS 444152-89-0)
- (R)-2-((S)-4-(3-Chloro-5-fluoro-6-(1H-pyrazolo[3,4-b]pyridin-3-yl)pyridin-2-yl)piperazin-2-yl)-3-methylbutan-2-ol (CAS 1321924-70-2)
- Ertugliflozin impurity 16 (CAS CATO-C4X-301116)
- 6,7-Difluoro-1,4-dimethyl-2-oxo-1,2,3,4-tetrahydroquinoline-4-carboxylic acid (CAS 1269531-43-2)
- 3-Bromo-5-(difluoromethoxy)pyridine (CAS 342602-27-1)
- (R)-1-(4-(Difluoromethyl)phenyl)ethan-1-amine (CAS 1213960-28-1)
- 1-(1-Ethyl-1H-imidazol-2-yl)butan-1-one (CAS 540780-96-9)
- Doxofylline Impurity 43 (CAS CATO-C4X-151343)
- 4-Piperidinylmethyl cyclopropanecarboxylatehydrochloride (CAS 1219968-10-1)
- 1,3-Naphthalenedicarbonitrile, 97% (CAS 18713-36-5)
- 4-Methoxycyclohexanecarboxylic Acid (CAS 95233-12-8)
- 2-((4-(4-Chlorophenyl)-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,5-dimethylphenyl)acetamide (CAS 476484-56-7)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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