Date published: 2025-9-14

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Sulfachloropyridazine (CAS 80-32-0)

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Alternate Names:
4-Amino-N-(6-chloro-3-pyridazinyl)benzenesulfonamide; N1-(6-Chloro-3-pyridazinyl)sulfanilamide
Application:
Sulfachloropyridazine is a sulfonamide antimicrobial compound
CAS Number:
80-32-0
Purity:
≥99%
Molecular Weight:
284.72
Molecular Formula:
C10H9ClN4O2S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Sulfachloropyridazine is a chemical compound that functions as a competitive inhibitor of dihydropteroate synthase, an enzyme involved in the folate synthesis pathway in bacteria. By inhibiting this enzyme, it disrupts the production of tetrahydrofolic acid, and ultimately leads to the inhibition of bacterial growth. Sulfachloropyridazine achieves this by acting as a structural analog of para-aminobenzoic acid (PABA), which is a substrate for dihydropteroate synthase. This structural similarity allows sulfachloropyridazine to bind to the active site of the enzyme, preventing the binding of PABA and subsequent folate synthesis. As a result, the bacteria are unable to produce essential components for DNA and RNA synthesis, ultimately leading to their inability to proliferate. This mechanism of action makes sulfachloropyridazine useful for studying bacterial folate metabolism.


Sulfachloropyridazine (CAS 80-32-0) References

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  2. Studies on removing sulfachloropyridazine from groundwater with microbial bioreactors.  |  Hunter, WJ. and Shaner, DL. 2011. Curr Microbiol. 62: 1560-4. PMID: 21327887
  3. Sorption/desorption behavior of oxytetracycline and sulfachloropyridazine in the soil water surfactant system.  |  ElSayed, EM. and Prasher, SO. 2014. Environ Sci Pollut Res Int. 21: 3339-50. PMID: 24234758
  4. Relationships between sulfachloropyridazine sodium, zinc, and sulfonamide resistance genes during the anaerobic digestion of swine manure.  |  Zhang, R., et al. 2017. Bioresour Technol. 225: 343-348. PMID: 27912183
  5. Adsorption dynamics and mechanism of aqueous sulfachloropyridazine and analogues using the root powder of recyclable long-root Eichhornia crassipes.  |  Liu, L., et al. 2018. Chemosphere. 196: 409-417. PMID: 29316467
  6. Determination of sulfachloropyridazine residue levels in feathers from broiler chickens after oral administration using liquid chromatography coupled to tandem mass spectrometry.  |  Pokrant, E., et al. 2018. PLoS One. 13: e0200206. PMID: 29975750
  7. Degradation of sulfadiazine, sulfachloropyridazine and sulfamethazine in aqueous media.  |  Conde-Cid, M., et al. 2018. J Environ Manage. 228: 239-248. PMID: 30227336
  8. Adsorption/desorption and transport of sulfadiazine, sulfachloropyridazine, and sulfamethazine, in acid agricultural soils.  |  Conde-Cid, M., et al. 2019. Chemosphere. 234: 978-986. PMID: 31519107
  9. Catalytic oxidation of sulfachloropyridazine by MnO2: Effects of crystalline phase and peroxide oxidants.  |  Ma, J., et al. 2021. Chemosphere. 267: 129287. PMID: 33348268
  10. Integrated structural and chemical analyses for HCl-supported hydrochar and their adsorption mechanisms for aqueous sulfachloropyridazine removal.  |  Liu, L., et al. 2021. J Hazard Mater. 417: 126009. PMID: 34229376
  11. Accurate acid dissociation constant (pKa) calculation for the sulfachloropyridazine and similar molecules.  |  Carvalho, FM., et al. 2021. J Mol Model. 27: 233. PMID: 34324066
  12. WS2 significantly enhances the degradation of sulfachloropyridazine by Fe(III)/persulfate.  |  He, Z., et al. 2022. Sci Total Environ. 850: 157987. PMID: 35964753
  13. Antiproliferative, antiangiogenic and apoptotic effect of new hybrids of quinazoline-4(3H)-ones and sulfachloropyridazine.  |  Zahran, SS., et al. 2023. Eur J Med Chem. 245: 114912. PMID: 36395650

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Sulfachloropyridazine, 250 mg

sc-251081
250 mg
$87.00