70091-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70091-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,0,9 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70091-27:
(7*7)+(6*0)+(5*0)+(4*9)+(3*1)+(2*2)+(1*7)=99
99 % 10 = 9
So 70091-27-9 is a valid CAS Registry Number.
70091-27-9Relevant academic research and scientific papers
Purine derivatives
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, (2008/06/13)
Novel purine derivatives of the formula: STR1 wherein R1 is hydrogen or alkyl of 1 to 3 carbon atoms, R2 is alkyl of 1 to 3 carbon atoms or allyl, and R3 and R4, respectively, mean halogen, and their acid additi
