258513-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258513-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,5,1 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 258513-64:
(8*2)+(7*5)+(6*8)+(5*5)+(4*1)+(3*3)+(2*6)+(1*4)=153
153 % 10 = 3
So 258513-64-3 is a valid CAS Registry Number.