407616-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 407616-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,7,6,1 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 407616-80:
(8*4)+(7*0)+(6*7)+(5*6)+(4*1)+(3*6)+(2*8)+(1*0)=142
142 % 10 = 2
So 407616-80-2 is a valid CAS Registry Number.