1311393-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1311393-25-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,1,3,9 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1311393-25:
(9*1)+(8*3)+(7*1)+(6*1)+(5*3)+(4*9)+(3*3)+(2*2)+(1*5)=115
115 % 10 = 5
So 1311393-25-5 is a valid CAS Registry Number.