65416-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65416-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,4,1 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 65416-75:
(7*6)+(6*5)+(5*4)+(4*1)+(3*6)+(2*7)+(1*5)=133
133 % 10 = 3
So 65416-75-3 is a valid CAS Registry Number.