Tel:

Email:

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

2-Ethynylbenzoic acid

  • CAS No. 33578-00-6

  • Cat. No. CS-0059275
  • Purity≥97%
  • MDL No.None

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

2-Ethynylbenzoic acid|CS-0059275

Structure of 33578-00-6

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

* Please select Quantity before adding items.

General Information

  • CAS No. 33578-00-6
  • Cat. No. CS-0059275
  • Purity ≥97%
  • MDL No. None
  • Storage -20°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₆O₂
  • Molecular Weight 146.14
  • Synonym(s) o-Ethynylbenzoicacid
  • SMILES O=C(O)C1=CC=CC=C1C#C

Description

2-Ethynylbenzoic acid features a pendant alkyne group ortho to a carboxylic acid, enabling efficient copper-catalyzed coupling reactions. This structural motif integrates seamlessly into bioconjugation workflows and materials synthesis, offering high reactivity under mild conditions with excellent functional group tolerance.

Application

2-Ethynylbenzoic acid serves as a versatile building block in synthetic organic chemistry, enabling efficient access to substituted benzene derivatives via transition-metal-catalyzed coupling reactions. Its orthogonal functionality—combining a carboxylic acid for derivatization and a terminal alkyne for Sonogashira or Glaser-type couplings—facilitates modular synthesis of conjugated systems. The compound exhibits bench stability, mild purification requirements, and compatibility with diverse functional groups, making it well-suited for iterative synthesis in medicinal chemistry and materials science applications.

Synthesis

  • Route1
    • Methyl 2-((trimethylsilyl)ethynyl)benzoate|CS-0416089
      107793-07-7
    • ~89%
    • In-stock
      2-Ethynylbenzoic acid|CS-0059275
      33578-00-6

    References

    • Hashmi, A. Stephen K.; Lothschuetz, Christian; Doepp, Rene; Ackermann, Martin; De Buck Becker, Janosc; Rudolph, Matthias; Scholz, Christian; Rominger, Frank Advanced Synthesis and Catalysis, 2012 , vol. 354, # 1 p. 133 - 147
  • Route2

    References

    • Marchal, Estelle; Uriac, Philippe; Legouin, Beatrice; Toupet, Loic; Weghe, Pierre van de Tetrahedron, 2007 , vol. 63, # 40 p. 9979 - 9990
  • Route3

    References

    • Hashmi, A. Stephen K.; Lothschuetz, Christian; Doepp, Rene; Ackermann, Martin; De Buck Becker, Janosc; Rudolph, Matthias; Scholz, Christian; Rominger, Frank Advanced Synthesis and Catalysis, 2012 , vol. 354, # 1 p. 133 - 147

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-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

Quality Control

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

Computational Chemistry Data

  • TPSA   37.3
  • LogP   1.3661
  • H_Acceptors   1
  • H_Donors   1
  • Rotatable_Bonds   1

Other Classifications

Recently Viewed Products

Leave US a Message
Upload Pictures

Key Words

  • 2-Ethynylbenzoic acid sigma2-Ethynylbenzoic acid manufacturer2-Ethynylbenzoic acid price2-Ethynylbenzoic acid structure2-Ethynylbenzoic acid SDSbuy 2-Ethynylbenzoic acid2-Ethynylbenzoic acid supplier2-Ethynylbenzoic acid uses2-Ethynylbenzoic acid molecular weightprice of 2-Ethynylbenzoic acid2-Ethynylbenzoic acid chemical name formula of 2-Ethynylbenzoic acid
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