171115-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171115-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,1 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 171115-40:
(8*1)+(7*7)+(6*1)+(5*1)+(4*1)+(3*5)+(2*4)+(1*0)=95
95 % 10 = 5
So 171115-40-5 is a valid CAS Registry Number.