Welcome to LookChem.com Sign In|Join Free
  • or
2-(phenylamino)-1,4-di(thiophen-2-yl)but-2-ene-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

177703-85-4

Post Buying Request

177703-85-4 Suppliers

Recommended suppliers

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

177703-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177703-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,7,0 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 177703-85:
(8*1)+(7*7)+(6*7)+(5*7)+(4*0)+(3*3)+(2*8)+(1*5)=164
164 % 10 = 4
So 177703-85-4 is a valid CAS Registry Number.

177703-85-4Downstream Products

177703-85-4Relevant academic research and scientific papers

Nickel-catalyzed oxidative cyclotrimerization of α-amino ketones: Selective synthesis of pyrazoles

Tang, Ri-Yuan,Guo, Xiao-Kang,Hu, Ming,Wang, Zhi-Qiang,Xiang, Jian-Nan,Li, Jin-Heng

supporting information, p. 64 - 68 (2014/01/06)

A new strategy for the synthesis of 3-methylene-2,3-dihydro-1H-pyrazoles is presented by Ni-catalyzed oxidative cyclotrimerization of α-amino ketones. This unprecedented method allows three α-amino ketones to undergo sequential multiple deprotonations and deamination through two C-C bonds and one N-N bond formation cascade. Georg Thieme Verlag Stuttgart · New York.

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 177703-85-4