313521-62-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 313521-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,3,5,2 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 313521-62:
(8*3)+(7*1)+(6*3)+(5*5)+(4*2)+(3*1)+(2*6)+(1*2)=99
99 % 10 = 9
So 313521-62-9 is a valid CAS Registry Number.