89599-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89599-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,9 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89599-15:
(7*8)+(6*9)+(5*5)+(4*9)+(3*9)+(2*1)+(1*5)=205
205 % 10 = 5
So 89599-15-5 is a valid CAS Registry Number.