859805-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859805-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,8,0 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 859805-90:
(8*8)+(7*5)+(6*9)+(5*8)+(4*0)+(3*5)+(2*9)+(1*0)=226
226 % 10 = 6
So 859805-90-6 is a valid CAS Registry Number.