873989-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873989-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,8 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 873989-49:
(8*8)+(7*7)+(6*3)+(5*9)+(4*8)+(3*9)+(2*4)+(1*9)=252
252 % 10 = 2
So 873989-49-2 is a valid CAS Registry Number.