143011-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143011-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,0,1 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143011-30:
(8*1)+(7*4)+(6*3)+(5*0)+(4*1)+(3*1)+(2*3)+(1*0)=67
67 % 10 = 7
So 143011-30-7 is a valid CAS Registry Number.