1798-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1798-97-6 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 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1798-97:
(6*1)+(5*7)+(4*9)+(3*8)+(2*9)+(1*7)=126
126 % 10 = 6
So 1798-97-6 is a valid CAS Registry Number.