409107-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 409107-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,9,1,0 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 409107-64:
(8*4)+(7*0)+(6*9)+(5*1)+(4*0)+(3*7)+(2*6)+(1*4)=128
128 % 10 = 8
So 409107-64-8 is a valid CAS Registry Number.