43020-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43020-47-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,0,2 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 43020-47:
(7*4)+(6*3)+(5*0)+(4*2)+(3*0)+(2*4)+(1*7)=69
69 % 10 = 9
So 43020-47-9 is a valid CAS Registry Number.