71416-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71416-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,4,1 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 71416-84:
(7*7)+(6*1)+(5*4)+(4*1)+(3*6)+(2*8)+(1*4)=117
117 % 10 = 7
So 71416-84-7 is a valid CAS Registry Number.