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Atomfair Quinoxaline-5-sulfonyl chloride C8H5ClN2O2S CAS 844646-88-4

Quinoxaline-5-sulfonyl chloride (CAS No. 844646-88-4) is a high-purity sulfonyl chloride derivative of quinoxaline, widely utilized in organic synthesis and pharmaceutical research. This compound, with the molecular formula C8H5ClN2O2S , serves as a versatile intermediate for the introduction of the quinoxaline sulfonyl moiety into target molecules. Its reactive sulfonyl chloride group enables efficient conjugation with amines, alcohols, and other nucleophiles, making it invaluable for the development of novel heterocyclic compounds, fluorescent probes, and bioactive agents. Packaged under inert conditions to ensure stability, our product is rigorously tested via HPLC, NMR, and mass spectrometry to guarantee ≥95% purity, meeting the stringent demands…

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Description

Quinoxaline-5-sulfonyl chloride (CAS No. 844646-88-4) is a high-purity sulfonyl chloride derivative of quinoxaline, widely utilized in organic synthesis and pharmaceutical research. This compound, with the molecular formula C8H5ClN2O2S, serves as a versatile intermediate for the introduction of the quinoxaline sulfonyl moiety into target molecules. Its reactive sulfonyl chloride group enables efficient conjugation with amines, alcohols, and other nucleophiles, making it invaluable for the development of novel heterocyclic compounds, fluorescent probes, and bioactive agents. Packaged under inert conditions to ensure stability, our product is rigorously tested via HPLC, NMR, and mass spectrometry to guarantee ≥95% purity, meeting the stringent demands of research and industrial applications.

Properties

  • CAS Number: 844646-88-4
  • Complexity: 301
  • IUPAC Name: quinoxaline-5-sulfonyl chloride
  • InChI: InChI=1S/C8H5ClN2O2S/c9-14(12,13)7-3-1-2-6-8(7)11-5-4-10-6/h1-5H
  • InChI Key: NAKORIYAIZIQHQ-UHFFFAOYSA-N
  • Exact Mass: 227.9760263
  • Molecular Formula: C8H5ClN2O2S
  • Molecular Weight: 228.66
  • SMILES: C1=CC2=NC=CN=C2C(=C1)S(=O)(=O)Cl
  • Topological: 68.3
  • Monoisotopic Mass: 227.9760263
  • Synonyms: Quinoxaline-5-sulfonyl chloride, 844646-88-4, DTXSID10582120, DTXCID90532885, 897-525-8, 5-quinoxalinesulfonyl chloride, Quinoxaline-5-sulfonylchloride, 5-Quinoxalinesulfonylchloride, 8-Quinoxalinesulfonyl chloride, MFCD12827951, SCHEMBL1886785, NAKORIYAIZIQHQ-UHFFFAOYSA-N, ZB1466, AKOS006336839, AS-33251, CS-0110639

Application

Quinoxaline-5-sulfonyl chloride is primarily employed as a key building block in medicinal chemistry for the synthesis of sulfonamide-based drugs and enzyme inhibitors. Its applications extend to materials science, where it is used to modify polymers and dyes for enhanced electronic or optical properties. Researchers also leverage its reactivity to develop fluorescent tags and covalent probes for biochemical assays and imaging studies.

Safety and Hazards

GHS Hazard Statements

  • H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P319, P321, P363, P403+P233, P405, and P501

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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