613221-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 613221-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,3,2,2 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 613221-93:
(8*6)+(7*1)+(6*3)+(5*2)+(4*2)+(3*1)+(2*9)+(1*3)=115
115 % 10 = 5
So 613221-93-5 is a valid CAS Registry Number.