71859-90-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71859-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,5 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 71859-90:
(7*7)+(6*1)+(5*8)+(4*5)+(3*9)+(2*9)+(1*0)=160
160 % 10 = 0
So 71859-90-0 is a valid CAS Registry Number.