143540-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143540-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143540-03:
(8*1)+(7*4)+(6*3)+(5*5)+(4*4)+(3*0)+(2*0)+(1*3)=98
98 % 10 = 8
So 143540-03-8 is a valid CAS Registry Number.