73418-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73418-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,1 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73418-16:
(7*7)+(6*3)+(5*4)+(4*1)+(3*8)+(2*1)+(1*6)=123
123 % 10 = 3
So 73418-16-3 is a valid CAS Registry Number.