17348-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17348-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,4 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17348-57:
(7*1)+(6*7)+(5*3)+(4*4)+(3*8)+(2*5)+(1*7)=121
121 % 10 = 1
So 17348-57-1 is a valid CAS Registry Number.