171192-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171192-57-7 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 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 171192-57:
(8*1)+(7*7)+(6*1)+(5*1)+(4*9)+(3*2)+(2*5)+(1*7)=127
127 % 10 = 7
So 171192-57-7 is a valid CAS Registry Number.