1082903-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1082903-53-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,2,9,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1082903-53:
(9*1)+(8*0)+(7*8)+(6*2)+(5*9)+(4*0)+(3*3)+(2*5)+(1*3)=144
144 % 10 = 4
So 1082903-53-4 is a valid CAS Registry Number.