859938-26-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859938-26-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,3 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 859938-26:
(8*8)+(7*5)+(6*9)+(5*9)+(4*3)+(3*8)+(2*2)+(1*6)=244
244 % 10 = 4
So 859938-26-4 is a valid CAS Registry Number.