765943-26-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 765943-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,5,9,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 765943-26:
(8*7)+(7*6)+(6*5)+(5*9)+(4*4)+(3*3)+(2*2)+(1*6)=208
208 % 10 = 8
So 765943-26-8 is a valid CAS Registry Number.
765943-26-8Relevant articles and documents
Synthesis of novel 6-enaminopurines
Carvalho, M. Alice,Zaki, Magdi E.A.,Alvares, Yolanda,Proenca, M. Fernanda,Booth, Brian L.
, p. 2340 - 2345 (2004)
Two different approaches have been used for the synthesis of 6-enaminopurines 6 from 5-amino-4-cyanoformimidoyl imidazoles 1. In the first approach imidazoles 1 were reacted with ethoxymethylenemalononitrile or ethoxymethylenecyanoacetate under mild exper
