916210-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916210-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,2,1 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 916210-97:
(8*9)+(7*1)+(6*6)+(5*2)+(4*1)+(3*0)+(2*9)+(1*7)=154
154 % 10 = 4
So 916210-97-4 is a valid CAS Registry Number.