41440-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41440-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,4,4 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 41440-17:
(7*4)+(6*1)+(5*4)+(4*4)+(3*0)+(2*1)+(1*7)=79
79 % 10 = 9
So 41440-17-9 is a valid CAS Registry Number.