1030344-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030344-30-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,3,4 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1030344-30:
(9*1)+(8*0)+(7*3)+(6*0)+(5*3)+(4*4)+(3*4)+(2*3)+(1*0)=79
79 % 10 = 9
So 1030344-30-9 is a valid CAS Registry Number.