40609-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40609-93-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,6,0 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40609-93:
(7*4)+(6*0)+(5*6)+(4*0)+(3*9)+(2*9)+(1*3)=106
106 % 10 = 6
So 40609-93-6 is a valid CAS Registry Number.