1030311-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030311-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,0,3,1 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1030311-75:
(9*1)+(8*0)+(7*3)+(6*0)+(5*3)+(4*1)+(3*1)+(2*7)+(1*5)=71
71 % 10 = 1
So 1030311-75-1 is a valid CAS Registry Number.