873989-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873989-00-5 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, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 873989-00:
(8*8)+(7*7)+(6*3)+(5*9)+(4*8)+(3*9)+(2*0)+(1*0)=235
235 % 10 = 5
So 873989-00-5 is a valid CAS Registry Number.