104699-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104699-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,6,9 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104699-70:
(8*1)+(7*0)+(6*4)+(5*6)+(4*9)+(3*9)+(2*7)+(1*0)=139
139 % 10 = 9
So 104699-70-9 is a valid CAS Registry Number.
104699-70-9Relevant academic research and scientific papers
Synthesis of New 8-Azapurines
Ried, Walter,Guryn, Roman,Laoutidis, Joannis
, p. 819 - 820 (2007/10/02)
The ethyl 5-amino-1H-1,2,3-triazole-4-carboxylates 1 react with orthoformate and hydrazine or substituted phenethylamine to yield the 8-azapurines 3, 5, and 8, respectively.