258856-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258856-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,5 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 258856-64:
(8*2)+(7*5)+(6*8)+(5*8)+(4*5)+(3*6)+(2*6)+(1*4)=193
193 % 10 = 3
So 258856-64-3 is a valid CAS Registry Number.