Tel:

Email:

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

5-Ethynyl-2,3-dimethylthiophene

  • CAS No. 1057670-09-3

  • Cat. No. CS-0238333
  • Purity≥97%
  • MDL No.None

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

5-Ethynyl-2,3-dimethylthiophene|CS-0238333

Structure of 1057670-09-3

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

* Please select Quantity before adding items.

General Information

  • CAS No. 1057670-09-3
  • Cat. No. CS-0238333
  • Purity ≥97%
  • MDL No. None
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₈H₈S
  • Molecular Weight 136.21
  • Synonym(s) 5-Ethynyl-2,3-dimethylthiophen
  • SMILES CC1=C(C)SC(C#C)=C1

Description

5-Ethynyl-2,3-dimethylthiophene features a reactive alkyne handle flanked by two methyl groups on the thiophene ring, enhancing stability and solubility. This electron-rich heterocycle integrates readily into cross-coupling reactions, enabling efficient access to functionalized aromatic systems under mild conditions.

Application

5-Ethynyl-2,3-dimethylthiophene serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to substituted thiophene architectures. Its terminal alkyne functionality exhibits high compatibility with Sonogashira and copper-catalyzed couplings, while the methyl-substituted thiophene core provides enhanced bench stability and facilitates purification. Functions effectively in the synthesis of conjugated materials and heterocyclic scaffolds relevant to organic electronics and medicinal chemistry.

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS05,GHS07
Signal Word : Danger
UN#: 1760
Class : 8
Packing Group : Ⅲ
Hazard Statements : H227-H315-H318-H335
Precautionary Statements : P210-P261-P264-P271-P280-P302+P352-P304+P340-P362-P370+P378-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   0
  • LogP   2.34624
  • H_Acceptors   1
  • H_Donors   0
  • Rotatable_Bonds   0

Other Classifications

Recently Viewed Products

Leave US a Message
Upload Pictures

Key Words

  • 5-Ethynyl-2,3-dimethylthiophene sigma5-Ethynyl-2,3-dimethylthiophene manufacturer5-Ethynyl-2,3-dimethylthiophene price5-Ethynyl-2,3-dimethylthiophene structure5-Ethynyl-2,3-dimethylthiophene SDSbuy 5-Ethynyl-2,3-dimethylthiophene5-Ethynyl-2,3-dimethylthiophene supplier5-Ethynyl-2,3-dimethylthiophene uses5-Ethynyl-2,3-dimethylthiophene molecular weightprice of 5-Ethynyl-2,3-dimethylthiophene5-Ethynyl-2,3-dimethylthiophene chemical name formula of 5-Ethynyl-2,3-dimethylthiophene
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