313397-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313397-62-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,3,9 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 313397-62:
(8*3)+(7*1)+(6*3)+(5*3)+(4*9)+(3*7)+(2*6)+(1*2)=135
135 % 10 = 5
So 313397-62-5 is a valid CAS Registry Number.