401611-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401611-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,6,1 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 401611-17:
(8*4)+(7*0)+(6*1)+(5*6)+(4*1)+(3*1)+(2*1)+(1*7)=84
84 % 10 = 4
So 401611-17-4 is a valid CAS Registry Number.