67105-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67105-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,0 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 67105-16:
(7*6)+(6*7)+(5*1)+(4*0)+(3*5)+(2*1)+(1*6)=112
112 % 10 = 2
So 67105-16-2 is a valid CAS Registry Number.