259669-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259669-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,6,6 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 259669-56:
(8*2)+(7*5)+(6*9)+(5*6)+(4*6)+(3*9)+(2*5)+(1*6)=202
202 % 10 = 2
So 259669-56-2 is a valid CAS Registry Number.