171608-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171608-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,6,0 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 171608-05:
(8*1)+(7*7)+(6*1)+(5*6)+(4*0)+(3*8)+(2*0)+(1*5)=122
122 % 10 = 2
So 171608-05-2 is a valid CAS Registry Number.