3258-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3258-49-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,5 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3258-49:
(6*3)+(5*2)+(4*5)+(3*8)+(2*4)+(1*9)=89
89 % 10 = 9
So 3258-49-9 is a valid CAS Registry Number.