916918-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 916918-84-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,9,1 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 916918-84:
(8*9)+(7*1)+(6*6)+(5*9)+(4*1)+(3*8)+(2*8)+(1*4)=208
208 % 10 = 8
So 916918-84-8 is a valid CAS Registry Number.