313258-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313258-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,2,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 313258-40:
(8*3)+(7*1)+(6*3)+(5*2)+(4*5)+(3*8)+(2*4)+(1*0)=111
111 % 10 = 1
So 313258-40-1 is a valid CAS Registry Number.