409316-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409316-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,3,1 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 409316-84:
(8*4)+(7*0)+(6*9)+(5*3)+(4*1)+(3*6)+(2*8)+(1*4)=143
143 % 10 = 3
So 409316-84-3 is a valid CAS Registry Number.