16416-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16416-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,1 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16416-62:
(7*1)+(6*6)+(5*4)+(4*1)+(3*6)+(2*6)+(1*2)=99
99 % 10 = 9
So 16416-62-9 is a valid CAS Registry Number.