98140-69-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98140-69-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98140-69:
(7*9)+(6*8)+(5*1)+(4*4)+(3*0)+(2*6)+(1*9)=153
153 % 10 = 3
So 98140-69-3 is a valid CAS Registry Number.