171049-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171049-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,4 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 171049-97:
(8*1)+(7*7)+(6*1)+(5*0)+(4*4)+(3*9)+(2*9)+(1*7)=131
131 % 10 = 1
So 171049-97-1 is a valid CAS Registry Number.