Welcome to LookChem.com Sign In|Join Free
  • or
ethyl (2-vinylphenoxy)acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

639820-74-9

Post Buying Request

639820-74-9 Suppliers

Recommended suppliers

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

639820-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 639820-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,9,8,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 639820-74:
(8*6)+(7*3)+(6*9)+(5*8)+(4*2)+(3*0)+(2*7)+(1*4)=189
189 % 10 = 9
So 639820-74-9 is a valid CAS Registry Number.

639820-74-9Downstream Products

639820-74-9Relevant academic research and scientific papers

Construction of medium-ring oxacycloalkenones. Extension towards benzo-fused cyclic ethers

Lecornue, Frederic,Ollivier, Jean

, p. 3600 - 3604 (2003)

A study was done on the construction of medium-ring oxacycloalkenones. The synthetic protocol consisted of the intramolecular Kulinlovich cyclopropanation on oxa-esters bearing a terminal double bond, followed by oxidative cleavage of the cyclopropanol mo

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 639820-74-9