Welcome to LookChem.com Sign In|Join Free

CAS

  • or

654680-68-9

Post Buying Request

654680-68-9 Suppliers

Recommended suppliersmore

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

654680-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 654680-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,6,8 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 654680-68:
(8*6)+(7*5)+(6*4)+(5*6)+(4*8)+(3*0)+(2*6)+(1*8)=189
189 % 10 = 9
So 654680-68-9 is a valid CAS Registry Number.

654680-68-9Relevant articles and documents

Stereoselective construction of four consecutive stereocenters using [2,3]-wittig rearrangement reaction

Toyota, Masahiro,Hirota, Masako,Asoh, Takanobu,Ihara, Masataka

, p. 133 - 145 (2007/10/03)

A diastereoselective construction of four consecutive stereocenters has been achieved using [2,3]-Wittig rearrangement reactions of oxazoline derivatives.

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

What can I do for you?
Get Best Price

Get Best Price for 654680-68-9