409345-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409345-16-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,3,4 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 409345-16:
(8*4)+(7*0)+(6*9)+(5*3)+(4*4)+(3*5)+(2*1)+(1*6)=140
140 % 10 = 0
So 409345-16-0 is a valid CAS Registry Number.