Welcome to LookChem.com Sign In|Join Free
  • or
Methanone, (2-amino-5-ethyl-1-cyclopenten-1-yl)phenyl- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

690660-91-4

Post Buying Request

690660-91-4 Suppliers

Recommended suppliers

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

690660-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 690660-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,6 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 690660-91:
(8*6)+(7*9)+(6*0)+(5*6)+(4*6)+(3*0)+(2*9)+(1*1)=184
184 % 10 = 4
So 690660-91-4 is a valid CAS Registry Number.

690660-91-4Downstream Products

690660-91-4Relevant academic research and scientific papers

Copper-Catalyzed Tandem Conjugate Addition-Electrophilic Trapping: Ketones, Esters, and Nitriles as Terminal Electrophiles

Agapiou, Kyriacos,Cauble, David F.,Krische, Michael J.

, p. 4528 - 4529 (2004)

Exposure of enone substrates 1a?18a, which possess appendant ketone, ester, and nitrile moieties, to Et2Zn in the presence of catalytic Cu(OTf)2/P(OEt)3 provides the cyclized products in good to excellent yields and diastereoselectivities. These results represent the first use of ketones, esters, and nitriles as terminal electrophiles in Cu-catalyzed conjugate addition?electrophilic trapping. Copyright

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 690660-91-4