108998-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108998-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,9 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 108998-72:
(8*1)+(7*0)+(6*8)+(5*9)+(4*9)+(3*8)+(2*7)+(1*2)=177
177 % 10 = 7
So 108998-72-7 is a valid CAS Registry Number.