477889-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477889-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,8,8 and 9 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 477889-43:
(8*4)+(7*7)+(6*7)+(5*8)+(4*8)+(3*9)+(2*4)+(1*3)=233
233 % 10 = 3
So 477889-43-3 is a valid CAS Registry Number.