889589-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889589-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,5,8 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 889589-71:
(8*8)+(7*8)+(6*9)+(5*5)+(4*8)+(3*9)+(2*7)+(1*1)=273
273 % 10 = 3
So 889589-71-3 is a valid CAS Registry Number.