16489-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16489-12-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,8 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 16489-12:
(7*1)+(6*6)+(5*4)+(4*8)+(3*9)+(2*1)+(1*2)=126
126 % 10 = 6
So 16489-12-6 is a valid CAS Registry Number.