259859-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259859-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,8,5 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 259859-59:
(8*2)+(7*5)+(6*9)+(5*8)+(4*5)+(3*9)+(2*5)+(1*9)=211
211 % 10 = 1
So 259859-59-1 is a valid CAS Registry Number.