259799-86-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259799-86-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,7,9 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 259799-86:
(8*2)+(7*5)+(6*9)+(5*7)+(4*9)+(3*9)+(2*8)+(1*6)=225
225 % 10 = 5
So 259799-86-5 is a valid CAS Registry Number.