71416-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71416-41-6 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, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71416-41:
(7*7)+(6*1)+(5*4)+(4*1)+(3*6)+(2*4)+(1*1)=106
106 % 10 = 6
So 71416-41-6 is a valid CAS Registry Number.