916222-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916222-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,2,2 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 916222-26:
(8*9)+(7*1)+(6*6)+(5*2)+(4*2)+(3*2)+(2*2)+(1*6)=149
149 % 10 = 9
So 916222-26-9 is a valid CAS Registry Number.