97242-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97242-98-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,4 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 97242-98:
(7*9)+(6*7)+(5*2)+(4*4)+(3*2)+(2*9)+(1*8)=163
163 % 10 = 3
So 97242-98-3 is a valid CAS Registry Number.