6-chloropyridazine-3-sulfonyl chloride CAS 89391-73-1
| CAS No. | 89391-73-1 |
| Molecular Formula | C4H8Cl2N2O2S |
| Molecular Weight | 219.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, 6-chloropyridazine-3-sulfonyl chloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 219.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
6-chloropyridazine-3-sulfonyl chloride (CAS 89391-73-1) is a high-purity analytical reference standard with the molecular formula C4H8Cl2N2O2S and a molecular weight of 219.09 g/mol.
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.
CATO manufactures 6-chloropyridazine-3-sulfonyl chloride 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 | C4H8Cl2N2O2S |
| Molecular Weight | 219.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related chloropyridazine Standards
- 3-Benzyl-6-chloropyridazine (CAS 60906-59-4)
- 6-chloropyridazine-3-sulfonyl fluoride (CAS 209848-48-6)
- Propyl 6-chloropyridazine-3-carboxylate (CAS 98490-71-2)
- 6-chloropyridazine-3-sulfonamide (CAS 88538-48-1)
- 4-(6-Chloropyridazine-3-carbonyl)-1,4-oxazepane (CAS 1343144-27-3)
- 3-Phenyl-6-chloropyridazine (CAS 20375-65-9)
- Ethyl 3-Chloropyridazine-4-carboxylate (CAS 1445-54-1)
- Ethyl 6-Chloropyridazine-3-carboxylate (CAS 75680-92-1)
Recommended Standards
- 6,7-Dichlorobenzo[d]thiazol-2-amine (CAS 25150-27-0)
- Moxifloxacin Impurity 69 (CAS 652-11-9)
- 6,7-DICHLOROBENZO[B]THIOPHEN-3(2H)-ONE (CAS 64791-34-0)
- 1-(5-bromo-2-methylthiophen-3-yl)ethan-1-one (CAS 1001671-82-4)
- Canadine (CAS 29074-38-2)
- 2-[(3-chloro-4-fluorophenyl)sulfanyl]-2-phenylacetic acid (CAS 1096966-42-5)
- 3-((Tetrahydrofuran-2-yl)methoxy)-5,6,7,8-tetrahydropyrido[4,3-c]pyridazine (CAS 1955523-09-7)
- 2-(4-(Pentyloxy)phenyl)ethanol (CAS 500548-00-5)
- 4,6-Difluoropyrazolo[1,5-a]pyridine (CAS 1427502-03-1)
- Poly(oxy-1,2-ethanediyl), α-(2-carboxyethyl)-ω-hydroxy- (CAS 117786-94-4)
- Tert-butyl ((2-benzylisoindolin-4-yl)methyl)carbamate (CAS 127212-06-0)
- 2-(5-chlorothiophen-2-yl)-1,3-thiazole-5-carboxylic acid (CAS 1152614-58-8)
- (4-(1-Methyl-1H-pyrazol-5-yl)phenyl)boronic acid (CAS 1487353-57-0)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com