Welcome to LookChem.com Sign In|Join Free

CAS

  • or

19959-51-4

Post Buying Request

19959-51-4 Suppliers

Recommended suppliersmore

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

19959-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19959-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,5 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19959-51:
(7*1)+(6*9)+(5*9)+(4*5)+(3*9)+(2*5)+(1*1)=164
164 % 10 = 4
So 19959-51-4 is a valid CAS Registry Number.

19959-51-4Relevant articles and documents

Synthesis of Unsymmetrical Diheteroarylbenzenes: Benzoazole and Quinazoline Derivatives

Garin, Javier,Melendez, Enrique,Merchan, Francisco L.,Merino, Pedro,Orduna, Jesus,Tejero, Tomas

, p. 359 - 363 (2007/10/02)

Four different types of structures, namely 8, 14, 17 and 18 have been prepared for the first time.No more than five steps are needed to synthesize them using 4-nitroaniline as starting material.In order to confirm the proposed structures, some independent

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 19959-51-4