256504-08-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 256504-08-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,6,5,0 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 256504-08:
(8*2)+(7*5)+(6*6)+(5*5)+(4*0)+(3*4)+(2*0)+(1*8)=132
132 % 10 = 2
So 256504-08-2 is a valid CAS Registry Number.