64547-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64547-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,5,4 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 64547-27:
(7*6)+(6*4)+(5*5)+(4*4)+(3*7)+(2*2)+(1*7)=139
139 % 10 = 9
So 64547-27-9 is a valid CAS Registry Number.
64547-27-9Relevant articles and documents
A New, Convenient Synthesis of N2-Aryl-N1-alkylformamidines and N2-Aryl-N1,N1-dialkylformamidines
Cereda, Enzo,Bellora, Elio,Donetti, Arturo
, p. 288 - 291 (2007/10/02)
N2-Aryl-N1-alkylformamidines are conveniently and rapidly prepared by the reaction of an aromatic amine with ethyl N-cyanoformamidate to give the N2-aryl-N1-cyanoformamidine.Addition of this intermediate to an e