389845-47-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389845-47-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,8,4 and 5 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 389845-47:
(8*3)+(7*8)+(6*9)+(5*8)+(4*4)+(3*5)+(2*4)+(1*7)=220
220 % 10 = 0
So 389845-47-0 is a valid CAS Registry Number.