855473-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855473-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,4,7 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 855473-89:
(8*8)+(7*5)+(6*5)+(5*4)+(4*7)+(3*3)+(2*8)+(1*9)=211
211 % 10 = 1
So 855473-89-1 is a valid CAS Registry Number.