259653-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259653-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,5 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 259653-59:
(8*2)+(7*5)+(6*9)+(5*6)+(4*5)+(3*3)+(2*5)+(1*9)=183
183 % 10 = 3
So 259653-59-3 is a valid CAS Registry Number.