1030311-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1030311-54-6 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, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1030311-54:
(9*1)+(8*0)+(7*3)+(6*0)+(5*3)+(4*1)+(3*1)+(2*5)+(1*4)=66
66 % 10 = 6
So 1030311-54-6 is a valid CAS Registry Number.