171199-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171199-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,9 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 171199-27:
(8*1)+(7*7)+(6*1)+(5*1)+(4*9)+(3*9)+(2*2)+(1*7)=142
142 % 10 = 2
So 171199-27-2 is a valid CAS Registry Number.