502165-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 502165-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,2,1,6 and 5 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 502165-01:
(8*5)+(7*0)+(6*2)+(5*1)+(4*6)+(3*5)+(2*0)+(1*1)=97
97 % 10 = 7
So 502165-01-7 is a valid CAS Registry Number.
502165-01-7Relevant articles and documents
A versatile synthesis of 2-amino-4H-pyrido[1,2-a][1,3,5]triazin-4-ones from 2-aminopyridines
Kopp, Marina,Lancelot, Jean-Charles,Dagdag, Said,Miel, Hugues,Rault, Sylvain
, p. 1061 - 1064 (2007/10/03)
The quasi-one pot synthesis of new 2-aminopyrido[1,2-a][1,3,5]triazin-4-ones starting from 2-amino-pyridine and 2-aminopicolines is herein described in order to obtain a library of cyclic guanidines.