41117-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41117-61-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,1,1 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 41117-61:
(7*4)+(6*1)+(5*1)+(4*1)+(3*7)+(2*6)+(1*1)=77
77 % 10 = 7
So 41117-61-7 is a valid CAS Registry Number.