193405-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193405-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,4,0 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 193405-09:
(8*1)+(7*9)+(6*3)+(5*4)+(4*0)+(3*5)+(2*0)+(1*9)=133
133 % 10 = 3
So 193405-09-3 is a valid CAS Registry Number.