61289-17-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61289-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,8 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 61289-17:
(7*6)+(6*1)+(5*2)+(4*8)+(3*9)+(2*1)+(1*7)=126
126 % 10 = 6
So 61289-17-6 is a valid CAS Registry Number.