859490-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859490-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,4,9 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 859490-52:
(8*8)+(7*5)+(6*9)+(5*4)+(4*9)+(3*0)+(2*5)+(1*2)=221
221 % 10 = 1
So 859490-52-1 is a valid CAS Registry Number.