171254-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171254-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,2,5 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 171254-65:
(8*1)+(7*7)+(6*1)+(5*2)+(4*5)+(3*4)+(2*6)+(1*5)=122
122 % 10 = 2
So 171254-65-2 is a valid CAS Registry Number.