Welcome to LookChem.com Sign In|Join Free
  • or
Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-diphenyl-, diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

398117-91-4

Post Buying Request

398117-91-4 Suppliers

Recommended suppliers

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

398117-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 398117-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,8,1,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 398117-91:
(8*3)+(7*9)+(6*8)+(5*1)+(4*1)+(3*7)+(2*9)+(1*1)=184
184 % 10 = 4
So 398117-91-4 is a valid CAS Registry Number.

398117-91-4Relevant academic research and scientific papers

Copper-Catalyzed Annulative Coupling of S,S-Disubstituted Enones with Diazo Compounds to Access Highly Functionalized Thiophene Derivatives

He, Yuan,Lou, Jiang,Wu, Ping,Yu, Zhengkun,Zhou, Yong-Gui

, (2020/01/31)

An efficient protocol toward fully substituted thiophenes and thieno[2,3-b]thiophenes has been developed through CuCl2-catalyzed annulative coupling of S,S-disubstituted enones with diazo compounds under mild conditions. Tetrasubstituted thiophenes and thieno[2,3-b]thiophenes were efficiently accessed by variation of the feed ratio of the reactants in good to excellent yields, respectively. The synthetic methodology has demonstrated the potential for the construction of diverse thiophene derivatives.

Phenyl Groups Result in the Highest Benzene Storage and Most Efficient Desulfurization in a Series of Isostructural Metal-Organic Frameworks

He, Wen-Wen,Yang, Guang-Sheng,Tang, Yu-Jia,Li, Shun-Li,Zhang, Shu-Ran,Su, Zhong-Min,Lan, Ya-Qian

supporting information, p. 9784 - 9789 (2015/06/30)

A series of isoreticular metal-organic frameworks (MOFs; NENU-511-NENU-514), which all have high surface areas and strong adsorption capacities, have been successfully constructed by using mixed ligands. NENU-513 has the highest benzene capacity of 1687 m

Efficient one pot preparation of variously substituted thieno[2,3-b]thiophene

Comel,Kirsch

, p. 1167 - 1171 (2007/10/03)

An efficient one pot access to variously substituted thieno[2,3-b]thiophene is described. The title compounds were obtained from 1,3-dicarbonyl or equivalent compounds, carbon disulfide and halomethyl derivatives in good to high yields and fully characterized.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1 Customer Service

What can I do for you?
Get Best Price

Get Best Price for 398117-91-4