477889-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477889-18-2 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, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 477889-18:
(8*4)+(7*7)+(6*7)+(5*8)+(4*8)+(3*9)+(2*1)+(1*8)=232
232 % 10 = 2
So 477889-18-2 is a valid CAS Registry Number.