Welcome to LookChem.com Sign In|Join Free

CAS

  • or

142643-55-8

Post Buying Request

142643-55-8 Suppliers

Recommended suppliersmore

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

142643-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142643-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,4 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142643-55:
(8*1)+(7*4)+(6*2)+(5*6)+(4*4)+(3*3)+(2*5)+(1*5)=118
118 % 10 = 8
So 142643-55-8 is a valid CAS Registry Number.

142643-55-8Relevant articles and documents

Convergent synthesis of the streptonigrin alkaloid skeleton. Directed orthometalation connection to aryl-aryl cross-coupling

Godard, Alain,Rovera, Jean-Claude,Marsais, Francis,Ple, Nelly,Queguiner, Guy

, p. 4123 - 4134 (2007/10/02)

A convergent synthesis of 2-[2-(4-phenyl-3-pivaloylamino) pyridyl]quinolines, the streptonigrin alkaloid skeleton, is reported. The methodology involves independent elaboration of the three main building blocks by metalation and two coupling reactions cat

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 142643-55-8