13405-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13405-80-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13405-80:
(7*1)+(6*3)+(5*4)+(4*0)+(3*5)+(2*8)+(1*0)=76
76 % 10 = 6
So 13405-80-6 is a valid CAS Registry Number.