Tel:

Email:

EN
Cat. No. Size / Unit Price Qty
CS-W001157 4
Total: USD 88.00

5-Nitrobenzofuran-2(3H)-one

  • CAS No. 21997-23-9

  • Cat. No. CS-0157641
  • Purity≥95%
  • MDL No.None

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

5-Nitrobenzofuran-2(3H)-one|CS-0157641

Structure of 21997-23-9

Please choose your location and provide accurate information for you
Size Stock
Price Quantity

* Please select Quantity before adding items.

General Information

  • CAS No. 21997-23-9
  • Cat. No. CS-0157641
  • Purity ≥95%
  • MDL No. None
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₈H₅NO₄
  • Molecular Weight 179.13
  • Synonym(s) 5-Nitro-3H-benzofuran-2-one
  • SMILES C1=C(C=C2CC(=O)OC2=C1)[N+](=O)[O-]

Description

5-Nitrobenzofuran-2(3H)-one features a fused bicyclic core with a nitro group at the 5-position, conferring strong electron-withdrawing character. This structural motif enables participation in cycloadditions and transition-metal-catalyzed couplings, serving as a key building block in heterocyclic synthesis. The compound exhibits stability under standard bench conditions and facilitates access to complex nitrogen-containing architectures.

Application

5-Nitrobenzofuran-2(3H)-one serves as a versatile building block in medicinal chemistry, enabling efficient access to nitro-substituted benzofuran scaffolds. Its reactivity profile supports direct functionalization at the 5-position and facilitates transition metal-catalyzed coupling reactions. The molecule exhibits bench stability and tolerates diverse reaction conditions, making it well-suited for modular synthesis of heterocyclic intermediates and potential API candidates.

Synthesis

  • Route1
    • 2-(2-Hydroxy-5-nitrophenyl)acetic acid|CS-0666558
      51794-07-1
    • ~%
    • In-stock
      5-Nitrobenzofuran-2(3H)-one|CS-0157641
      21997-23-9

    References

    • Hill American Chemical Journal, 1900 , vol. 24, p. 9

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P280-P302+P352

Quality Control

To search for quality control of cas , please enter both the product number and the lot/batch number.

Computational Chemistry Data

  • TPSA   69.44
  • LogP   1.0563
  • H_Acceptors   4
  • H_Donors   0
  • Rotatable_Bonds   1

Other Classifications

Recently Viewed Products

Leave US a Message
Upload Pictures

Key Words

  • 5-Nitrobenzofuran-2(3H)-one sigma5-Nitrobenzofuran-2(3H)-one manufacturer5-Nitrobenzofuran-2(3H)-one price5-Nitrobenzofuran-2(3H)-one structure5-Nitrobenzofuran-2(3H)-one SDSbuy 5-Nitrobenzofuran-2(3H)-one5-Nitrobenzofuran-2(3H)-one supplier5-Nitrobenzofuran-2(3H)-one uses5-Nitrobenzofuran-2(3H)-one molecular weightprice of 5-Nitrobenzofuran-2(3H)-one5-Nitrobenzofuran-2(3H)-one chemical name formula of 5-Nitrobenzofuran-2(3H)-one
This product is not sold in the region.
Confirm
How to get a Lot Number

Lot numbers can be found on the outside label of a product:

ChemScene Label