40093-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40093-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,9 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40093-30:
(7*4)+(6*0)+(5*0)+(4*9)+(3*3)+(2*3)+(1*0)=79
79 % 10 = 9
So 40093-30-9 is a valid CAS Registry Number.