797786-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 797786-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,7,7,8 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 797786-16:
(8*7)+(7*9)+(6*7)+(5*7)+(4*8)+(3*6)+(2*1)+(1*6)=254
254 % 10 = 4
So 797786-16-4 is a valid CAS Registry Number.