162405-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162405-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,4,0 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 162405-18:
(8*1)+(7*6)+(6*2)+(5*4)+(4*0)+(3*5)+(2*1)+(1*8)=107
107 % 10 = 7
So 162405-18-7 is a valid CAS Registry Number.
162405-18-7Relevant articles and documents
Synthesis and properties of 3-alkylsubstituted 1-alkoxy(hydroxy)indolin-2-ones
Geffken,Frobose
, p. 889 - 893 (2007/10/02)
N-alkoxy-2-aryl-2-hydroxycarboxamides 3 are smoothly converted into 3-alkylsubstituted 1-alkoxyindolin-2-ones (2A) by dicyclohexylcarbodiimide in boiling trichloroethene. The acidolysis of the 1-tert-butoxyindolin-2-ones 2Ab, g, i, k as well as the 1-alko