98717-92-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98717-92-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,1 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98717-92:
(7*9)+(6*8)+(5*7)+(4*1)+(3*7)+(2*9)+(1*2)=191
191 % 10 = 1
So 98717-92-1 is a valid CAS Registry Number.