257284-29-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 257284-29-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,2,8 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 257284-29:
(8*2)+(7*5)+(6*7)+(5*2)+(4*8)+(3*4)+(2*2)+(1*9)=160
160 % 10 = 0
So 257284-29-0 is a valid CAS Registry Number.