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CS-W001157 4
Total: USD 88.00

4-Methoxybenzenesulfonyl chloride

  • CAS No. 98-68-0

  • Cat. No. CS-W004070
  • Purity≥97%
  • MDL No.MFCD00007446

*For research and further manufacturing use only, not for direct human use.

4-Methoxybenzenesulfonyl chloride|CS-W004070

Structure of 98-68-0

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General Information

  • CAS No. 98-68-0
  • Cat. No. CS-W004070
  • Purity ≥97%
  • MDL No. MFCD00007446
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₇H₇ClO₃S
  • Molecular Weight 206.65
  • Synonym(s) P-Methoxybenzensulfonyl chloride; 4-Methoxybenzenesulfonyl chloride
  • SMILES COC1=CC=C(S(Cl)(=O)=O)C=C1

Description

4-Methoxybenzenesulfonyl chloride features a methoxy-substituted aromatic ring that enhances solubility and reactivity in polar solvents. This sulfonyl chloride group enables efficient coupling reactions with amines and alcohols, delivering stable sulfonamide and sulfate products under mild conditions. The para-methoxy substituent stabilizes the electrophilic center through resonance, improving handling and shelf life.

Application

4-Methoxybenzenesulfonyl chloride serves as a versatile sulfonylating agent for the efficient introduction of sulfonamide groups under mild conditions. Its methoxy-substituted aryl moiety enhances solubility and stability, enabling clean reactions with amines and alcohols. The reagent facilitates straightforward purification and is compatible with diverse functional groups, making it a reliable choice for synthesizing sulfonamide intermediates in medicinal chemistry and agrochemical development.

Synthesis

  • Route1

    References

    • Veisi, Hojat; Sedrpoushan, Alireza; Hemmati, Saba; Kordestani, Davood Phosphorus, Sulfur and Silicon and the Related Elements, 2012 , vol. 187, # 6 p. 769 - 775
  • Route2

    References

    • Bahrami, Kiumars; Khodaei, Mohammad Mehdi; Soheilizad, Mehdi Synlett, 2009 , # 17 p. 2773 - 2776
  • Route3
    • null|null
      24197-73-7
    • ~80%
    • In-stock
      4-Methoxybenzenesulfonyl chloride|CS-W004070
      98-68-0

    References

    • Ho, Danny K.H.; Chan, Lily; Hooper, Alice; Brennan, Paul E. Tetrahedron Letters, 2011 , vol. 52, # 7 p. 820 - 823

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS05
Signal Word : Danger
UN#: 3261
Class : 8
Packing Group : Ⅱ
Hazard Statements : H314
Precautionary Statements : P260-P264-P280-P301+P330+P331-P304+P340-P363-P405-P501

Quality Control

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Computational Chemistry Data

  • TPSA   43.37
  • LogP   1.6227
  • H_Acceptors   3
  • H_Donors   0
  • Rotatable_Bonds   2

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