98526-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98526-17-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,2 and 6 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 98526-17:
(7*9)+(6*8)+(5*5)+(4*2)+(3*6)+(2*1)+(1*7)=171
171 % 10 = 1
So 98526-17-1 is a valid CAS Registry Number.