98170-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98170-09-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,7 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98170-09:
(7*9)+(6*8)+(5*1)+(4*7)+(3*0)+(2*0)+(1*9)=153
153 % 10 = 3
So 98170-09-3 is a valid CAS Registry Number.