79161-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79161-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,1,6 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79161-90:
(7*7)+(6*9)+(5*1)+(4*6)+(3*1)+(2*9)+(1*0)=153
153 % 10 = 3
So 79161-90-3 is a valid CAS Registry Number.