859943-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859943-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,4 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 859943-28:
(8*8)+(7*5)+(6*9)+(5*9)+(4*4)+(3*3)+(2*2)+(1*8)=235
235 % 10 = 5
So 859943-28-5 is a valid CAS Registry Number.