143509-46-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143509-46-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,0 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 143509-46:
(8*1)+(7*4)+(6*3)+(5*5)+(4*0)+(3*9)+(2*4)+(1*6)=120
120 % 10 = 0
So 143509-46-0 is a valid CAS Registry Number.