1030303-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030303-56-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,3,0 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1030303-56:
(9*1)+(8*0)+(7*3)+(6*0)+(5*3)+(4*0)+(3*3)+(2*5)+(1*6)=70
70 % 10 = 0
So 1030303-56-0 is a valid CAS Registry Number.