916514-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916514-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,5,1 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 916514-05:
(8*9)+(7*1)+(6*6)+(5*5)+(4*1)+(3*4)+(2*0)+(1*5)=161
161 % 10 = 1
So 916514-05-1 is a valid CAS Registry Number.