1025389-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1025389-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,5,3,8 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1025389-16:
(9*1)+(8*0)+(7*2)+(6*5)+(5*3)+(4*8)+(3*9)+(2*1)+(1*6)=135
135 % 10 = 5
So 1025389-16-5 is a valid CAS Registry Number.