89585-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89585-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,8 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 89585-65:
(7*8)+(6*9)+(5*5)+(4*8)+(3*5)+(2*6)+(1*5)=199
199 % 10 = 9
So 89585-65-9 is a valid CAS Registry Number.