1172017-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172017-52-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,0,1 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1172017-52:
(9*1)+(8*1)+(7*7)+(6*2)+(5*0)+(4*1)+(3*7)+(2*5)+(1*2)=115
115 % 10 = 5
So 1172017-52-5 is a valid CAS Registry Number.