1791-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1791-58-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,9 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1791-58:
(6*1)+(5*7)+(4*9)+(3*1)+(2*5)+(1*8)=98
98 % 10 = 8
So 1791-58-8 is a valid CAS Registry Number.