108955-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108955-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,5 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108955-03:
(8*1)+(7*0)+(6*8)+(5*9)+(4*5)+(3*5)+(2*0)+(1*3)=139
139 % 10 = 9
So 108955-03-9 is a valid CAS Registry Number.