109182-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109182-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,1,8 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109182-98:
(8*1)+(7*0)+(6*9)+(5*1)+(4*8)+(3*2)+(2*9)+(1*8)=131
131 % 10 = 1
So 109182-98-1 is a valid CAS Registry Number.