17041-77-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17041-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,4 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17041-77:
(7*1)+(6*7)+(5*0)+(4*4)+(3*1)+(2*7)+(1*7)=89
89 % 10 = 9
So 17041-77-9 is a valid CAS Registry Number.