256649-00-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256649-00-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,6,4 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 256649-00:
(8*2)+(7*5)+(6*6)+(5*6)+(4*4)+(3*9)+(2*0)+(1*0)=160
160 % 10 = 0
So 256649-00-0 is a valid CAS Registry Number.