98115-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98115-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,1 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98115-12:
(7*9)+(6*8)+(5*1)+(4*1)+(3*5)+(2*1)+(1*2)=139
139 % 10 = 9
So 98115-12-9 is a valid CAS Registry Number.