17090-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17090-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,9 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17090-98:
(7*1)+(6*7)+(5*0)+(4*9)+(3*0)+(2*9)+(1*8)=111
111 % 10 = 1
So 17090-98-1 is a valid CAS Registry Number.