Welcome to LookChem.com Sign In|Join Free

CAS

  • or

256661-25-3

Post Buying Request

256661-25-3 Suppliers

Recommended suppliersmore

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

256661-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 256661-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,6,6 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 256661-25:
(8*2)+(7*5)+(6*6)+(5*6)+(4*6)+(3*1)+(2*2)+(1*5)=153
153 % 10 = 3
So 256661-25-3 is a valid CAS Registry Number.

256661-25-3Relevant articles and documents

Synthesis and solvatochromic properties of 5-dicyanovinyl- and 5-tricyanovinyl-substituted 2-amino-thiazoles and 2-amino-thiophenes

Eckert, Katrin,Mokry, Cornelia,Schroeder, Anke,Hartmann, Horst

, p. 99 - 114 (2007/10/03)

Starting from 2-morpholinothiazoles 6 and 2-morpholinothiophenes 7 and following known routes several 5-dicyanovinyl and 5-tricyanovinyl-substituted derivatives 10 - 13 have been prepared and their solvatochromic properties estimated.

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 256661-25-3